720161234

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 1269354240

約数和(自身を除く): 549193006

約数列:

[1, 2, 13, 23, 26, 29, 46, 58, 131, 262, 299, 317, 377, 598, 634, 667, 754, 1334, 1703, 3013, 3406, 3799, 4121, 6026, 7291, 7598, 8242, 8671, 9193, 14582, 17342, 18386, 39169, 41527, 49387, 78338, 83054, 87377, 94783, 98774, 119509, 174754, 189566, 211439, 239018, 422878, 539851, 955121, 1079702, 1135901, 1204283, 1910242, 2271802, 2408566, 2748707, 5497414, 12416573, 15655679, 24833146, 27698509, 31311358, 55397018, 360080617, 720161234]

約数ペア:

[(1, 720161234), (2, 360080617), (13, 55397018), (23, 31311358), (26, 27698509), (29, 24833146), (46, 15655679), (58, 12416573), (131, 5497414), (262, 2748707), (299, 2408566), (317, 2271802), (377, 1910242), (598, 1204283), (634, 1135901), (667, 1079702), (754, 955121), (1334, 539851), (1703, 422878), (3013, 239018), (3406, 211439), (3799, 189566), (4121, 174754), (6026, 119509), (7291, 98774), (7598, 94783), (8242, 87377), (8671, 83054), (9193, 78338), (14582, 49387), (17342, 41527), (18386, 39169)]