68417960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 172935000

約数和(自身を除く): 104517040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 169, 232, 260, 290, 338, 349, 377, 520, 580, 676, 698, 754, 845, 1160, 1352, 1396, 1508, 1690, 1745, 1885, 2792, 3016, 3380, 3490, 3770, 4537, 4901, 6760, 6980, 7540, 9074, 9802, 10121, 13960, 15080, 18148, 19604, 20242, 22685, 24505, 36296, 39208, 40484, 45370, 49010, 50605, 58981, 80968, 90740, 98020, 101210, 117962, 131573, 181480, 196040, 202420, 235924, 263146, 294905, 404840, 471848, 526292, 589810, 657865, 1052584, 1179620, 1315730, 1710449, 2359240, 2631460, 3420898, 5262920, 6841796, 8552245, 13683592, 17104490, 34208980, 68417960]

約数ペア:

[(1, 68417960), (2, 34208980), (4, 17104490), (5, 13683592), (8, 8552245), (10, 6841796), (13, 5262920), (20, 3420898), (26, 2631460), (29, 2359240), (40, 1710449), (52, 1315730), (58, 1179620), (65, 1052584), (104, 657865), (116, 589810), (130, 526292), (145, 471848), (169, 404840), (232, 294905), (260, 263146), (290, 235924), (338, 202420), (349, 196040), (377, 181480), (520, 131573), (580, 117962), (676, 101210), (698, 98020), (754, 90740), (845, 80968), (1160, 58981), (1352, 50605), (1396, 49010), (1508, 45370), (1690, 40484), (1745, 39208), (1885, 36296), (2792, 24505), (3016, 22685), (3380, 20242), (3490, 19604), (3770, 18148), (4537, 15080), (4901, 13960), (6760, 10121), (6980, 9802), (7540, 9074)]