1647490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:91

約数の個数: 64

約数和(自身を含む): 3628800

約数和(自身を除く): 1981310

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 29, 38, 46, 58, 65, 95, 115, 130, 145, 190, 230, 247, 290, 299, 377, 437, 494, 551, 598, 667, 754, 874, 1102, 1235, 1334, 1495, 1885, 2185, 2470, 2755, 2990, 3335, 3770, 4370, 5510, 5681, 6670, 7163, 8671, 11362, 12673, 14326, 17342, 25346, 28405, 35815, 43355, 56810, 63365, 71630, 86710, 126730, 164749, 329498, 823745, 1647490]

約数ペア:

[(1, 1647490), (2, 823745), (5, 329498), (10, 164749), (13, 126730), (19, 86710), (23, 71630), (26, 63365), (29, 56810), (38, 43355), (46, 35815), (58, 28405), (65, 25346), (95, 17342), (115, 14326), (130, 12673), (145, 11362), (190, 8671), (230, 7163), (247, 6670), (290, 5681), (299, 5510), (377, 4370), (437, 3770), (494, 3335), (551, 2990), (598, 2755), (667, 2470), (754, 2185), (874, 1885), (1102, 1495), (1235, 1334)]