678565680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217489}}^1$

素因数の和:217518

約数の個数: 80

約数和(自身を含む): 2265375840

約数和(自身を除く): 1586810160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 217489, 434978, 652467, 869956, 1087445, 1304934, 1739912, 2174890, 2609868, 2827357, 3262335, 3479824, 4349780, 5219736, 5654714, 6524670, 8482071, 8699560, 10439472, 11309428, 13049340, 14136785, 16964142, 17399120, 22618856, 26098680, 28273570, 33928284, 42410355, 45237712, 52197360, 56547140, 67856568, 84820710, 113094280, 135713136, 169641420, 226188560, 339282840, 678565680]

約数ペア:

[(1, 678565680), (2, 339282840), (3, 226188560), (4, 169641420), (5, 135713136), (6, 113094280), (8, 84820710), (10, 67856568), (12, 56547140), (13, 52197360), (15, 45237712), (16, 42410355), (20, 33928284), (24, 28273570), (26, 26098680), (30, 22618856), (39, 17399120), (40, 16964142), (48, 14136785), (52, 13049340), (60, 11309428), (65, 10439472), (78, 8699560), (80, 8482071), (104, 6524670), (120, 5654714), (130, 5219736), (156, 4349780), (195, 3479824), (208, 3262335), (240, 2827357), (260, 2609868), (312, 2174890), (390, 1739912), (520, 1304934), (624, 1087445), (780, 869956), (1040, 652467), (1560, 434978), (3120, 217489)]