68568280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 175432320

約数和(自身を除く): 106864040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 121, 124, 155, 220, 242, 248, 310, 341, 440, 457, 484, 605, 620, 682, 914, 968, 1210, 1240, 1364, 1705, 1828, 2285, 2420, 2728, 3410, 3656, 3751, 4570, 4840, 5027, 6820, 7502, 9140, 10054, 13640, 14167, 15004, 18280, 18755, 20108, 25135, 28334, 30008, 37510, 40216, 50270, 55297, 56668, 70835, 75020, 100540, 110594, 113336, 141670, 150040, 155837, 201080, 221188, 276485, 283340, 311674, 442376, 552970, 566680, 623348, 779185, 1105940, 1246696, 1558370, 1714207, 2211880, 3116740, 3428414, 6233480, 6856828, 8571035, 13713656, 17142070, 34284140, 68568280]

約数ペア:

[(1, 68568280), (2, 34284140), (4, 17142070), (5, 13713656), (8, 8571035), (10, 6856828), (11, 6233480), (20, 3428414), (22, 3116740), (31, 2211880), (40, 1714207), (44, 1558370), (55, 1246696), (62, 1105940), (88, 779185), (110, 623348), (121, 566680), (124, 552970), (155, 442376), (220, 311674), (242, 283340), (248, 276485), (310, 221188), (341, 201080), (440, 155837), (457, 150040), (484, 141670), (605, 113336), (620, 110594), (682, 100540), (914, 75020), (968, 70835), (1210, 56668), (1240, 55297), (1364, 50270), (1705, 40216), (1828, 37510), (2285, 30008), (2420, 28334), (2728, 25135), (3410, 20108), (3656, 18755), (3751, 18280), (4570, 15004), (4840, 14167), (5027, 13640), (6820, 10054), (7502, 9140)]