213997620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{4021}}^1$

素因数の和:4920

約数の個数: 48

約数和(自身を含む): 600018048

約数和(自身を除く): 386020428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 887, 1774, 2661, 3548, 4021, 4435, 5322, 8042, 8870, 10644, 12063, 13305, 16084, 17740, 20105, 24126, 26610, 40210, 48252, 53220, 60315, 80420, 120630, 241260, 3566627, 7133254, 10699881, 14266508, 17833135, 21399762, 35666270, 42799524, 53499405, 71332540, 106998810, 213997620]

約数ペア:

[(1, 213997620), (2, 106998810), (3, 71332540), (4, 53499405), (5, 42799524), (6, 35666270), (10, 21399762), (12, 17833135), (15, 14266508), (20, 10699881), (30, 7133254), (60, 3566627), (887, 241260), (1774, 120630), (2661, 80420), (3548, 60315), (4021, 53220), (4435, 48252), (5322, 40210), (8042, 26610), (8870, 24126), (10644, 20105), (12063, 17740), (13305, 16084)]