331734160

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 787378176

約数和(自身を除く): 455644016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 127, 206, 254, 317, 412, 508, 515, 634, 635, 824, 1016, 1030, 1268, 1270, 1585, 1648, 2032, 2060, 2536, 2540, 3170, 4120, 5072, 5080, 6340, 8240, 10160, 12680, 13081, 25360, 26162, 32651, 40259, 52324, 65302, 65405, 80518, 104648, 130604, 130810, 161036, 163255, 201295, 209296, 261208, 261620, 322072, 326510, 402590, 522416, 523240, 644144, 653020, 805180, 1046480, 1306040, 1610360, 2612080, 3220720, 4146677, 8293354, 16586708, 20733385, 33173416, 41466770, 66346832, 82933540, 165867080, 331734160]

約数ペア:

[(1, 331734160), (2, 165867080), (4, 82933540), (5, 66346832), (8, 41466770), (10, 33173416), (16, 20733385), (20, 16586708), (40, 8293354), (80, 4146677), (103, 3220720), (127, 2612080), (206, 1610360), (254, 1306040), (317, 1046480), (412, 805180), (508, 653020), (515, 644144), (634, 523240), (635, 522416), (824, 402590), (1016, 326510), (1030, 322072), (1268, 261620), (1270, 261208), (1585, 209296), (1648, 201295), (2032, 163255), (2060, 161036), (2536, 130810), (2540, 130604), (3170, 104648), (4120, 80518), (5072, 65405), (5080, 65302), (6340, 52324), (8240, 40259), (10160, 32651), (12680, 26162), (13081, 25360)]