20181087780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{130927}}^1$

素因数の和:131313

約数の個数: 96

約数和(自身を含む): 64755941376

約数和(自身を除く): 44574853596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 367, 420, 734, 1101, 1468, 1835, 2202, 2569, 3670, 4404, 5138, 5505, 7340, 7707, 10276, 11010, 12845, 15414, 22020, 25690, 30828, 38535, 51380, 77070, 130927, 154140, 261854, 392781, 523708, 654635, 785562, 916489, 1309270, 1571124, 1832978, 1963905, 2618540, 2749467, 3665956, 3927810, 4582445, 5498934, 7855620, 9164890, 10997868, 13747335, 18329780, 27494670, 48050209, 54989340, 96100418, 144150627, 192200836, 240251045, 288301254, 336351463, 480502090, 576602508, 672702926, 720753135, 961004180, 1009054389, 1345405852, 1441506270, 1681757315, 2018108778, 2883012540, 3363514630, 4036217556, 5045271945, 6727029260, 10090543890, 20181087780]

約数ペア:

[(1, 20181087780), (2, 10090543890), (3, 6727029260), (4, 5045271945), (5, 4036217556), (6, 3363514630), (7, 2883012540), (10, 2018108778), (12, 1681757315), (14, 1441506270), (15, 1345405852), (20, 1009054389), (21, 961004180), (28, 720753135), (30, 672702926), (35, 576602508), (42, 480502090), (60, 336351463), (70, 288301254), (84, 240251045), (105, 192200836), (140, 144150627), (210, 96100418), (367, 54989340), (420, 48050209), (734, 27494670), (1101, 18329780), (1468, 13747335), (1835, 10997868), (2202, 9164890), (2569, 7855620), (3670, 5498934), (4404, 4582445), (5138, 3927810), (5505, 3665956), (7340, 2749467), (7707, 2618540), (10276, 1963905), (11010, 1832978), (12845, 1571124), (15414, 1309270), (22020, 916489), (25690, 785562), (30828, 654635), (38535, 523708), (51380, 392781), (77070, 261854), (130927, 154140)]