28156765980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{650873}}^1$

素因数の和:650995

約数の個数: 96

約数和(自身を含む): 90976564224

約数和(自身を除く): 62819798244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 103, 105, 140, 206, 210, 309, 412, 420, 515, 618, 721, 1030, 1236, 1442, 1545, 2060, 2163, 2884, 3090, 3605, 4326, 6180, 7210, 8652, 10815, 14420, 21630, 43260, 650873, 1301746, 1952619, 2603492, 3254365, 3905238, 4556111, 6508730, 7810476, 9112222, 9763095, 13017460, 13668333, 18224444, 19526190, 22780555, 27336666, 39052380, 45561110, 54673332, 67039919, 68341665, 91122220, 134079838, 136683330, 201119757, 268159676, 273366660, 335199595, 402239514, 469279433, 670399190, 804479028, 938558866, 1005598785, 1340798380, 1407838299, 1877117732, 2011197570, 2346397165, 2815676598, 4022395140, 4692794330, 5631353196, 7039191495, 9385588660, 14078382990, 28156765980]

約数ペア:

[(1, 28156765980), (2, 14078382990), (3, 9385588660), (4, 7039191495), (5, 5631353196), (6, 4692794330), (7, 4022395140), (10, 2815676598), (12, 2346397165), (14, 2011197570), (15, 1877117732), (20, 1407838299), (21, 1340798380), (28, 1005598785), (30, 938558866), (35, 804479028), (42, 670399190), (60, 469279433), (70, 402239514), (84, 335199595), (103, 273366660), (105, 268159676), (140, 201119757), (206, 136683330), (210, 134079838), (309, 91122220), (412, 68341665), (420, 67039919), (515, 54673332), (618, 45561110), (721, 39052380), (1030, 27336666), (1236, 22780555), (1442, 19526190), (1545, 18224444), (2060, 13668333), (2163, 13017460), (2884, 9763095), (3090, 9112222), (3605, 7810476), (4326, 6508730), (6180, 4556111), (7210, 3905238), (8652, 3254365), (10815, 2603492), (14420, 1952619), (21630, 1301746), (43260, 650873)]