15973490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 33868800

約数和(自身を除く): 17895310

約数列:

[1, 2, 5, 10, 13, 19, 26, 29, 38, 58, 65, 95, 130, 145, 190, 223, 247, 290, 377, 446, 494, 551, 754, 1102, 1115, 1235, 1885, 2230, 2470, 2755, 2899, 3770, 4237, 5510, 5798, 6467, 7163, 8474, 12934, 14326, 14495, 21185, 28990, 32335, 35815, 42370, 55081, 64670, 71630, 84071, 110162, 122873, 168142, 245746, 275405, 420355, 550810, 614365, 840710, 1228730, 1597349, 3194698, 7986745, 15973490]

約数ペア:

[(1, 15973490), (2, 7986745), (5, 3194698), (10, 1597349), (13, 1228730), (19, 840710), (26, 614365), (29, 550810), (38, 420355), (58, 275405), (65, 245746), (95, 168142), (130, 122873), (145, 110162), (190, 84071), (223, 71630), (247, 64670), (290, 55081), (377, 42370), (446, 35815), (494, 32335), (551, 28990), (754, 21185), (1102, 14495), (1115, 14326), (1235, 12934), (1885, 8474), (2230, 7163), (2470, 6467), (2755, 5798), (2899, 5510), (3770, 4237)]