15675940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2731}}^1$

素因数の和:2788

約数の個数: 48

約数和(自身を含む): 38553984

約数和(自身を除く): 22878044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2731, 2870, 5462, 5740, 10924, 13655, 19117, 27310, 38234, 54620, 76468, 95585, 111971, 191170, 223942, 382340, 447884, 559855, 783797, 1119710, 1567594, 2239420, 3135188, 3918985, 7837970, 15675940]

約数ペア:

[(1, 15675940), (2, 7837970), (4, 3918985), (5, 3135188), (7, 2239420), (10, 1567594), (14, 1119710), (20, 783797), (28, 559855), (35, 447884), (41, 382340), (70, 223942), (82, 191170), (140, 111971), (164, 95585), (205, 76468), (287, 54620), (410, 38234), (574, 27310), (820, 19117), (1148, 13655), (1435, 10924), (2731, 5740), (2870, 5462)]