179076560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 450544080

約数和(自身を除く): 271467520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 409, 421, 520, 818, 842, 1040, 1636, 1684, 2045, 2105, 3272, 3368, 4090, 4210, 5317, 5473, 6544, 6736, 8180, 8420, 10634, 10946, 16360, 16840, 21268, 21892, 26585, 27365, 32720, 33680, 42536, 43784, 53170, 54730, 85072, 87568, 106340, 109460, 172189, 212680, 218920, 344378, 425360, 437840, 688756, 860945, 1377512, 1721890, 2238457, 2755024, 3443780, 4476914, 6887560, 8953828, 11192285, 13775120, 17907656, 22384570, 35815312, 44769140, 89538280, 179076560]

約数ペア:

[(1, 179076560), (2, 89538280), (4, 44769140), (5, 35815312), (8, 22384570), (10, 17907656), (13, 13775120), (16, 11192285), (20, 8953828), (26, 6887560), (40, 4476914), (52, 3443780), (65, 2755024), (80, 2238457), (104, 1721890), (130, 1377512), (208, 860945), (260, 688756), (409, 437840), (421, 425360), (520, 344378), (818, 218920), (842, 212680), (1040, 172189), (1636, 109460), (1684, 106340), (2045, 87568), (2105, 85072), (3272, 54730), (3368, 53170), (4090, 43784), (4210, 42536), (5317, 33680), (5473, 32720), (6544, 27365), (6736, 26585), (8180, 21892), (8420, 21268), (10634, 16840), (10946, 16360)]