916760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 64

約数和(自身を含む): 2328480

約数和(自身を除く): 1411720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 43, 52, 65, 82, 86, 104, 130, 164, 172, 205, 215, 260, 328, 344, 410, 430, 520, 533, 559, 820, 860, 1066, 1118, 1640, 1720, 1763, 2132, 2236, 2665, 2795, 3526, 4264, 4472, 5330, 5590, 7052, 8815, 10660, 11180, 14104, 17630, 21320, 22360, 22919, 35260, 45838, 70520, 91676, 114595, 183352, 229190, 458380, 916760]

約数ペア:

[(1, 916760), (2, 458380), (4, 229190), (5, 183352), (8, 114595), (10, 91676), (13, 70520), (20, 45838), (26, 35260), (40, 22919), (41, 22360), (43, 21320), (52, 17630), (65, 14104), (82, 11180), (86, 10660), (104, 8815), (130, 7052), (164, 5590), (172, 5330), (205, 4472), (215, 4264), (260, 3526), (328, 2795), (344, 2665), (410, 2236), (430, 2132), (520, 1763), (533, 1720), (559, 1640), (820, 1118), (860, 1066)]