31683540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{75437}}^1$

素因数の和:75456

約数の個数: 48

約数和(自身を含む): 101388672

約数和(自身を除く): 69705132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 75437, 150874, 226311, 301748, 377185, 452622, 528059, 754370, 905244, 1056118, 1131555, 1508740, 1584177, 2112236, 2263110, 2640295, 3168354, 4526220, 5280590, 6336708, 7920885, 10561180, 15841770, 31683540]

約数ペア:

[(1, 31683540), (2, 15841770), (3, 10561180), (4, 7920885), (5, 6336708), (6, 5280590), (7, 4526220), (10, 3168354), (12, 2640295), (14, 2263110), (15, 2112236), (20, 1584177), (21, 1508740), (28, 1131555), (30, 1056118), (35, 905244), (42, 754370), (60, 528059), (70, 452622), (84, 377185), (105, 301748), (140, 226311), (210, 150874), (420, 75437)]