64770680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{431}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 167106240

約数和(自身を除く): 102335560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 289, 340, 431, 442, 520, 578, 680, 862, 884, 1105, 1156, 1445, 1724, 1768, 2155, 2210, 2312, 2890, 3448, 3757, 4310, 4420, 5603, 5780, 7327, 7514, 8620, 8840, 11206, 11560, 14654, 15028, 17240, 18785, 22412, 28015, 29308, 30056, 36635, 37570, 44824, 56030, 58616, 73270, 75140, 95251, 112060, 124559, 146540, 150280, 190502, 224120, 249118, 293080, 381004, 476255, 498236, 622795, 762008, 952510, 996472, 1245590, 1619267, 1905020, 2491180, 3238534, 3810040, 4982360, 6477068, 8096335, 12954136, 16192670, 32385340, 64770680]

約数ペア:

[(1, 64770680), (2, 32385340), (4, 16192670), (5, 12954136), (8, 8096335), (10, 6477068), (13, 4982360), (17, 3810040), (20, 3238534), (26, 2491180), (34, 1905020), (40, 1619267), (52, 1245590), (65, 996472), (68, 952510), (85, 762008), (104, 622795), (130, 498236), (136, 476255), (170, 381004), (221, 293080), (260, 249118), (289, 224120), (340, 190502), (431, 150280), (442, 146540), (520, 124559), (578, 112060), (680, 95251), (862, 75140), (884, 73270), (1105, 58616), (1156, 56030), (1445, 44824), (1724, 37570), (1768, 36635), (2155, 30056), (2210, 29308), (2312, 28015), (2890, 22412), (3448, 18785), (3757, 17240), (4310, 15028), (4420, 14654), (5603, 11560), (5780, 11206), (7327, 8840), (7514, 8620)]