Nelson's Richmond Night 'n Day comes in second with 35 first division wins.
If Powerball is won tomorrow by an individual ticket holder, it'll be the second-largest jackpot haul since the game started in 2001.
Seven people have already been made Powerball multi-millionaires this year, with the average winning amount being $14.1m.
Meanwhile, since its inception, Powerball First Division has been won a total of 191 times.
The largest-ever win came in November 2016 when a Hibiscus Coast couple won $44m after buying their ticket from Dairy Flat Food Mart and Liquor.
In September 2013, an Auckland man won the current second-highest Powerball prize of $33.1m at One Step Ahead in Ponsonby.
Earlier this year, the Powerball jackpot reached a mammoth $50m which was won by two separate players who took home $25.1m each.
The first Lotto draw was held on August 1, 1987, and in the 33 years since then, 943 people have become millionaires after winning Lotto NZ games.
NEW ZEALAND'S TOP 5 LUCKIEST LOTTO STORES
1. Unichem Stortford Lodge Pharmacy, Hastings, with 49 first-division wins;
2. Richmond Night 'n Day, Nelson, with 35 first-division wins;
3*. Pak'nSave Riccarton, Christchurch, and Coastlands Lotto, Paraparaumu with 33 first division wins;
5. Hornby Mall Lotto, Christchurch with 31 first-division wins.