8478680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 22083840

約数和(自身を除く): 13605160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 283, 428, 535, 566, 749, 856, 1070, 1132, 1415, 1498, 1981, 2140, 2264, 2830, 2996, 3745, 3962, 4280, 5660, 5992, 7490, 7924, 9905, 11320, 14980, 15848, 19810, 29960, 30281, 39620, 60562, 79240, 121124, 151405, 211967, 242248, 302810, 423934, 605620, 847868, 1059835, 1211240, 1695736, 2119670, 4239340, 8478680]

約数ペア:

[(1, 8478680), (2, 4239340), (4, 2119670), (5, 1695736), (7, 1211240), (8, 1059835), (10, 847868), (14, 605620), (20, 423934), (28, 302810), (35, 242248), (40, 211967), (56, 151405), (70, 121124), (107, 79240), (140, 60562), (214, 39620), (280, 30281), (283, 29960), (428, 19810), (535, 15848), (566, 14980), (749, 11320), (856, 9905), (1070, 7924), (1132, 7490), (1415, 5992), (1498, 5660), (1981, 4280), (2140, 3962), (2264, 3745), (2830, 2996)]