691702960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{5237}}^1$

素因数の和:5390

約数の個数: 80

約数和(自身を含む): 1745888256

約数和(自身を除く): 1054185296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2540, 3302, 5080, 5237, 6604, 8255, 10160, 10474, 13208, 16510, 20948, 26185, 26416, 33020, 41896, 52370, 66040, 68081, 83792, 104740, 132080, 136162, 209480, 272324, 340405, 418960, 544648, 665099, 680810, 1089296, 1330198, 1361620, 2660396, 2723240, 3325495, 5320792, 5446480, 6650990, 8646287, 10641584, 13301980, 17292574, 26603960, 34585148, 43231435, 53207920, 69170296, 86462870, 138340592, 172925740, 345851480, 691702960]

約数ペア:

[(1, 691702960), (2, 345851480), (4, 172925740), (5, 138340592), (8, 86462870), (10, 69170296), (13, 53207920), (16, 43231435), (20, 34585148), (26, 26603960), (40, 17292574), (52, 13301980), (65, 10641584), (80, 8646287), (104, 6650990), (127, 5446480), (130, 5320792), (208, 3325495), (254, 2723240), (260, 2660396), (508, 1361620), (520, 1330198), (635, 1089296), (1016, 680810), (1040, 665099), (1270, 544648), (1651, 418960), (2032, 340405), (2540, 272324), (3302, 209480), (5080, 136162), (5237, 132080), (6604, 104740), (8255, 83792), (10160, 68081), (10474, 66040), (13208, 52370), (16510, 41896), (20948, 33020), (26185, 26416)]