80991750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{15427}}^1$

素因数の和:15454

約数の個数: 64

約数和(自身を含む): 231049728

約数和(自身を除く): 150057978

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 750, 875, 1050, 1750, 2625, 5250, 15427, 30854, 46281, 77135, 92562, 107989, 154270, 215978, 231405, 323967, 385675, 462810, 539945, 647934, 771350, 1079890, 1157025, 1619835, 1928375, 2314050, 2699725, 3239670, 3856750, 5399450, 5785125, 8099175, 11570250, 13498625, 16198350, 26997250, 40495875, 80991750]

約数ペア:

[(1, 80991750), (2, 40495875), (3, 26997250), (5, 16198350), (6, 13498625), (7, 11570250), (10, 8099175), (14, 5785125), (15, 5399450), (21, 3856750), (25, 3239670), (30, 2699725), (35, 2314050), (42, 1928375), (50, 1619835), (70, 1157025), (75, 1079890), (105, 771350), (125, 647934), (150, 539945), (175, 462810), (210, 385675), (250, 323967), (350, 231405), (375, 215978), (525, 154270), (750, 107989), (875, 92562), (1050, 77135), (1750, 46281), (2625, 30854), (5250, 15427)]