139252920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26987}}^1$

素因数の和:27044

約数の個数: 64

約数和(自身を含む): 427489920

約数和(自身を除く): 288237000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 26987, 53974, 80961, 107948, 134935, 161922, 215896, 269870, 323844, 404805, 539740, 647688, 809610, 1079480, 1160441, 1619220, 2320882, 3238440, 3481323, 4641764, 5802205, 6962646, 9283528, 11604410, 13925292, 17406615, 23208820, 27850584, 34813230, 46417640, 69626460, 139252920]

約数ペア:

[(1, 139252920), (2, 69626460), (3, 46417640), (4, 34813230), (5, 27850584), (6, 23208820), (8, 17406615), (10, 13925292), (12, 11604410), (15, 9283528), (20, 6962646), (24, 5802205), (30, 4641764), (40, 3481323), (43, 3238440), (60, 2320882), (86, 1619220), (120, 1160441), (129, 1079480), (172, 809610), (215, 647688), (258, 539740), (344, 404805), (430, 323844), (516, 269870), (645, 215896), (860, 161922), (1032, 134935), (1290, 107948), (1720, 80961), (2580, 53974), (5160, 26987)]