128318680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4283}}^1$

素因数の和:4408

約数の個数: 64

約数和(自身を含む): 333123840

約数和(自身を除く): 204805160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 1070, 1498, 2140, 2996, 3745, 4280, 4283, 5992, 7490, 8566, 14980, 17132, 21415, 29960, 29981, 34264, 42830, 59962, 85660, 119924, 149905, 171320, 239848, 299810, 458281, 599620, 916562, 1199240, 1833124, 2291405, 3207967, 3666248, 4582810, 6415934, 9165620, 12831868, 16039835, 18331240, 25663736, 32079670, 64159340, 128318680]

約数ペア:

[(1, 128318680), (2, 64159340), (4, 32079670), (5, 25663736), (7, 18331240), (8, 16039835), (10, 12831868), (14, 9165620), (20, 6415934), (28, 4582810), (35, 3666248), (40, 3207967), (56, 2291405), (70, 1833124), (107, 1199240), (140, 916562), (214, 599620), (280, 458281), (428, 299810), (535, 239848), (749, 171320), (856, 149905), (1070, 119924), (1498, 85660), (2140, 59962), (2996, 42830), (3745, 34264), (4280, 29981), (4283, 29960), (5992, 21415), (7490, 17132), (8566, 14980)]