66878680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8941}}^1$

素因数の和:8980

約数の個数: 64

約数和(自身を含む): 173832480

約数和(自身を除く): 106953800

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 8941, 17882, 35764, 44705, 71528, 89410, 98351, 151997, 178820, 196702, 303994, 357640, 393404, 491755, 607988, 759985, 786808, 983510, 1215976, 1519970, 1671967, 1967020, 3039940, 3343934, 3934040, 6079880, 6687868, 8359835, 13375736, 16719670, 33439340, 66878680]

約数ペア:

[(1, 66878680), (2, 33439340), (4, 16719670), (5, 13375736), (8, 8359835), (10, 6687868), (11, 6079880), (17, 3934040), (20, 3343934), (22, 3039940), (34, 1967020), (40, 1671967), (44, 1519970), (55, 1215976), (68, 983510), (85, 786808), (88, 759985), (110, 607988), (136, 491755), (170, 393404), (187, 357640), (220, 303994), (340, 196702), (374, 178820), (440, 151997), (680, 98351), (748, 89410), (935, 71528), (1496, 44705), (1870, 35764), (3740, 17882), (7480, 8941)]