639777630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{2351}}^1$

素因数の和:2601

約数の個数: 64

約数和(自身を含む): 1576931328

約数和(自身を除く): 937153698

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 193, 235, 282, 386, 470, 579, 705, 965, 1158, 1410, 1930, 2351, 2895, 4702, 5790, 7053, 9071, 11755, 14106, 18142, 23510, 27213, 35265, 45355, 54426, 70530, 90710, 110497, 136065, 220994, 272130, 331491, 453743, 552485, 662982, 907486, 1104970, 1361229, 1657455, 2268715, 2722458, 3314910, 4537430, 6806145, 13612290, 21325921, 42651842, 63977763, 106629605, 127955526, 213259210, 319888815, 639777630]

約数ペア:

[(1, 639777630), (2, 319888815), (3, 213259210), (5, 127955526), (6, 106629605), (10, 63977763), (15, 42651842), (30, 21325921), (47, 13612290), (94, 6806145), (141, 4537430), (193, 3314910), (235, 2722458), (282, 2268715), (386, 1657455), (470, 1361229), (579, 1104970), (705, 907486), (965, 662982), (1158, 552485), (1410, 453743), (1930, 331491), (2351, 272130), (2895, 220994), (4702, 136065), (5790, 110497), (7053, 90710), (9071, 70530), (11755, 54426), (14106, 45355), (18142, 35265), (23510, 27213)]