68310320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3457}}^1$

素因数の和:3502

約数の個数: 80

約数和(自身を含む): 180092640

約数和(自身を除く): 111782320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3457, 3952, 4940, 6914, 9880, 13828, 17285, 19760, 27656, 34570, 44941, 55312, 65683, 69140, 89882, 131366, 138280, 179764, 224705, 262732, 276560, 328415, 359528, 449410, 525464, 656830, 719056, 853879, 898820, 1050928, 1313660, 1707758, 1797640, 2627320, 3415516, 3595280, 4269395, 5254640, 6831032, 8538790, 13662064, 17077580, 34155160, 68310320]

約数ペア:

[(1, 68310320), (2, 34155160), (4, 17077580), (5, 13662064), (8, 8538790), (10, 6831032), (13, 5254640), (16, 4269395), (19, 3595280), (20, 3415516), (26, 2627320), (38, 1797640), (40, 1707758), (52, 1313660), (65, 1050928), (76, 898820), (80, 853879), (95, 719056), (104, 656830), (130, 525464), (152, 449410), (190, 359528), (208, 328415), (247, 276560), (260, 262732), (304, 224705), (380, 179764), (494, 138280), (520, 131366), (760, 89882), (988, 69140), (1040, 65683), (1235, 55312), (1520, 44941), (1976, 34570), (2470, 27656), (3457, 19760), (3952, 17285), (4940, 13828), (6914, 9880)]