12953220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30841}}^1$

素因数の和:30860

約数の個数: 48

約数和(自身を含む): 41451648

約数和(自身を除く): 28498428

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, 30841, 61682, 92523, 123364, 154205, 185046, 215887, 308410, 370092, 431774, 462615, 616820, 647661, 863548, 925230, 1079435, 1295322, 1850460, 2158870, 2590644, 3238305, 4317740, 6476610, 12953220]

約数ペア:

[(1, 12953220), (2, 6476610), (3, 4317740), (4, 3238305), (5, 2590644), (6, 2158870), (7, 1850460), (10, 1295322), (12, 1079435), (14, 925230), (15, 863548), (20, 647661), (21, 616820), (28, 462615), (30, 431774), (35, 370092), (42, 308410), (60, 215887), (70, 185046), (84, 154205), (105, 123364), (140, 92523), (210, 61682), (420, 30841)]