757640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:102

約数の個数: 64

約数和(自身を含む): 1935360

約数和(自身を除く): 1177720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 47, 52, 62, 65, 94, 104, 124, 130, 155, 188, 235, 248, 260, 310, 376, 403, 470, 520, 611, 620, 806, 940, 1222, 1240, 1457, 1612, 1880, 2015, 2444, 2914, 3055, 3224, 4030, 4888, 5828, 6110, 7285, 8060, 11656, 12220, 14570, 16120, 18941, 24440, 29140, 37882, 58280, 75764, 94705, 151528, 189410, 378820, 757640]

約数ペア:

[(1, 757640), (2, 378820), (4, 189410), (5, 151528), (8, 94705), (10, 75764), (13, 58280), (20, 37882), (26, 29140), (31, 24440), (40, 18941), (47, 16120), (52, 14570), (62, 12220), (65, 11656), (94, 8060), (104, 7285), (124, 6110), (130, 5828), (155, 4888), (188, 4030), (235, 3224), (248, 3055), (260, 2914), (310, 2444), (376, 2015), (403, 1880), (470, 1612), (520, 1457), (611, 1240), (620, 1222), (806, 940)]