15787360

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1$

素因数の和:1343

約数の個数: 48

約数和(自身を含む): 37800000

約数和(自身を除く): 22012640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1249, 1264, 1580, 2498, 2528, 3160, 4996, 6245, 6320, 9992, 12490, 12640, 19984, 24980, 39968, 49960, 98671, 99920, 197342, 199840, 394684, 493355, 789368, 986710, 1578736, 1973420, 3157472, 3946840, 7893680, 15787360]

約数ペア:

[(1, 15787360), (2, 7893680), (4, 3946840), (5, 3157472), (8, 1973420), (10, 1578736), (16, 986710), (20, 789368), (32, 493355), (40, 394684), (79, 199840), (80, 197342), (158, 99920), (160, 98671), (316, 49960), (395, 39968), (632, 24980), (790, 19984), (1249, 12640), (1264, 12490), (1580, 9992), (2498, 6320), (2528, 6245), (3160, 4996)]