68801740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{929}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 172801440

約数和(自身を除く): 103999700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 529, 644, 805, 929, 1058, 1610, 1858, 2116, 2645, 3220, 3703, 3716, 4645, 5290, 6503, 7406, 9290, 10580, 13006, 14812, 18515, 18580, 21367, 26012, 32515, 37030, 42734, 65030, 74060, 85468, 106835, 130060, 149569, 213670, 299138, 427340, 491441, 598276, 747845, 982882, 1495690, 1965764, 2457205, 2991380, 3440087, 4914410, 6880174, 9828820, 13760348, 17200435, 34400870, 68801740]

約数ペア:

[(1, 68801740), (2, 34400870), (4, 17200435), (5, 13760348), (7, 9828820), (10, 6880174), (14, 4914410), (20, 3440087), (23, 2991380), (28, 2457205), (35, 1965764), (46, 1495690), (70, 982882), (92, 747845), (115, 598276), (140, 491441), (161, 427340), (230, 299138), (322, 213670), (460, 149569), (529, 130060), (644, 106835), (805, 85468), (929, 74060), (1058, 65030), (1610, 42734), (1858, 37030), (2116, 32515), (2645, 26012), (3220, 21367), (3703, 18580), (3716, 18515), (4645, 14812), (5290, 13006), (6503, 10580), (7406, 9290)]