61467640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2749}}^1$

素因数の和:2816

約数の個数: 64

約数和(自身を含む): 152460000

約数和(自身を除く): 90992360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2749, 2795, 4472, 5498, 5590, 10996, 11180, 13745, 21992, 22360, 27490, 35737, 54980, 71474, 109960, 118207, 142948, 178685, 236414, 285896, 357370, 472828, 591035, 714740, 945656, 1182070, 1429480, 1536691, 2364140, 3073382, 4728280, 6146764, 7683455, 12293528, 15366910, 30733820, 61467640]

約数ペア:

[(1, 61467640), (2, 30733820), (4, 15366910), (5, 12293528), (8, 7683455), (10, 6146764), (13, 4728280), (20, 3073382), (26, 2364140), (40, 1536691), (43, 1429480), (52, 1182070), (65, 945656), (86, 714740), (104, 591035), (130, 472828), (172, 357370), (215, 285896), (260, 236414), (344, 178685), (430, 142948), (520, 118207), (559, 109960), (860, 71474), (1118, 54980), (1720, 35737), (2236, 27490), (2749, 22360), (2795, 21992), (4472, 13745), (5498, 11180), (5590, 10996)]