157537640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 411505920

約数和(自身を除く): 253968280

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 71, 85, 104, 130, 136, 142, 170, 221, 251, 260, 284, 340, 355, 442, 502, 520, 568, 680, 710, 884, 923, 1004, 1105, 1207, 1255, 1420, 1768, 1846, 2008, 2210, 2414, 2510, 2840, 3263, 3692, 4267, 4420, 4615, 4828, 5020, 6035, 6526, 7384, 8534, 8840, 9230, 9656, 10040, 12070, 13052, 15691, 16315, 17068, 17821, 18460, 21335, 24140, 26104, 31382, 32630, 34136, 35642, 36920, 42670, 48280, 55471, 62764, 65260, 71284, 78455, 85340, 89105, 110942, 125528, 130520, 142568, 156910, 170680, 178210, 221884, 231673, 277355, 302957, 313820, 356420, 443768, 463346, 554710, 605914, 627640, 712840, 926692, 1109420, 1158365, 1211828, 1514785, 1853384, 2218840, 2316730, 2423656, 3029570, 3938441, 4633460, 6059140, 7876882, 9266920, 12118280, 15753764, 19692205, 31507528, 39384410, 78768820, 157537640]

約数ペア:

[(1, 157537640), (2, 78768820), (4, 39384410), (5, 31507528), (8, 19692205), (10, 15753764), (13, 12118280), (17, 9266920), (20, 7876882), (26, 6059140), (34, 4633460), (40, 3938441), (52, 3029570), (65, 2423656), (68, 2316730), (71, 2218840), (85, 1853384), (104, 1514785), (130, 1211828), (136, 1158365), (142, 1109420), (170, 926692), (221, 712840), (251, 627640), (260, 605914), (284, 554710), (340, 463346), (355, 443768), (442, 356420), (502, 313820), (520, 302957), (568, 277355), (680, 231673), (710, 221884), (884, 178210), (923, 170680), (1004, 156910), (1105, 142568), (1207, 130520), (1255, 125528), (1420, 110942), (1768, 89105), (1846, 85340), (2008, 78455), (2210, 71284), (2414, 65260), (2510, 62764), (2840, 55471), (3263, 48280), (3692, 42670), (4267, 36920), (4420, 35642), (4615, 34136), (4828, 32630), (5020, 31382), (6035, 26104), (6526, 24140), (7384, 21335), (8534, 18460), (8840, 17821), (9230, 17068), (9656, 16315), (10040, 15691), (12070, 13052)]