65704720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 159989760

約数和(自身を除く): 94285040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 127, 145, 223, 232, 254, 290, 446, 464, 508, 580, 635, 892, 1016, 1115, 1160, 1270, 1784, 2032, 2230, 2320, 2540, 3568, 3683, 4460, 5080, 6467, 7366, 8920, 10160, 12934, 14732, 17840, 18415, 25868, 28321, 29464, 32335, 36830, 51736, 56642, 58928, 64670, 73660, 103472, 113284, 129340, 141605, 147320, 226568, 258680, 283210, 294640, 453136, 517360, 566420, 821309, 1132840, 1642618, 2265680, 3285236, 4106545, 6570472, 8213090, 13140944, 16426180, 32852360, 65704720]

約数ペア:

[(1, 65704720), (2, 32852360), (4, 16426180), (5, 13140944), (8, 8213090), (10, 6570472), (16, 4106545), (20, 3285236), (29, 2265680), (40, 1642618), (58, 1132840), (80, 821309), (116, 566420), (127, 517360), (145, 453136), (223, 294640), (232, 283210), (254, 258680), (290, 226568), (446, 147320), (464, 141605), (508, 129340), (580, 113284), (635, 103472), (892, 73660), (1016, 64670), (1115, 58928), (1160, 56642), (1270, 51736), (1784, 36830), (2032, 32335), (2230, 29464), (2320, 28321), (2540, 25868), (3568, 18415), (3683, 17840), (4460, 14732), (5080, 12934), (6467, 10160), (7366, 8920)]