121951960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8087}}^1$

素因数の和:8140

約数の個数: 64

約数和(自身を含む): 305726400

約数和(自身を除く): 183774440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 3016, 3770, 7540, 8087, 15080, 16174, 32348, 40435, 64696, 80870, 105131, 161740, 210262, 234523, 323480, 420524, 469046, 525655, 841048, 938092, 1051310, 1172615, 1876184, 2102620, 2345230, 3048799, 4205240, 4690460, 6097598, 9380920, 12195196, 15243995, 24390392, 30487990, 60975980, 121951960]

約数ペア:

[(1, 121951960), (2, 60975980), (4, 30487990), (5, 24390392), (8, 15243995), (10, 12195196), (13, 9380920), (20, 6097598), (26, 4690460), (29, 4205240), (40, 3048799), (52, 2345230), (58, 2102620), (65, 1876184), (104, 1172615), (116, 1051310), (130, 938092), (145, 841048), (232, 525655), (260, 469046), (290, 420524), (377, 323480), (520, 234523), (580, 210262), (754, 161740), (1160, 105131), (1508, 80870), (1885, 64696), (3016, 40435), (3770, 32348), (7540, 16174), (8087, 15080)]