156958280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3251}}^1$

素因数の和:3350

約数の個数: 64

約数和(自身を含む): 379313280

約数和(自身を除く): 222355000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 680, 710, 1207, 1420, 2414, 2840, 3251, 4828, 6035, 6502, 9656, 12070, 13004, 16255, 24140, 26008, 32510, 48280, 55267, 65020, 110534, 130040, 221068, 230821, 276335, 442136, 461642, 552670, 923284, 1105340, 1154105, 1846568, 2210680, 2308210, 3923957, 4616420, 7847914, 9232840, 15695828, 19619785, 31391656, 39239570, 78479140, 156958280]

約数ペア:

[(1, 156958280), (2, 78479140), (4, 39239570), (5, 31391656), (8, 19619785), (10, 15695828), (17, 9232840), (20, 7847914), (34, 4616420), (40, 3923957), (68, 2308210), (71, 2210680), (85, 1846568), (136, 1154105), (142, 1105340), (170, 923284), (284, 552670), (340, 461642), (355, 442136), (568, 276335), (680, 230821), (710, 221068), (1207, 130040), (1420, 110534), (2414, 65020), (2840, 55267), (3251, 48280), (4828, 32510), (6035, 26008), (6502, 24140), (9656, 16255), (12070, 13004)]