638213220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{3545629}}^1$

素因数の和:3545644

約数の個数: 36

約数和(自身を含む): 1935913980

約数和(自身を除く): 1297700760

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3545629, 7091258, 10636887, 14182516, 17728145, 21273774, 31910661, 35456290, 42547548, 53184435, 63821322, 70912580, 106368870, 127642644, 159553305, 212737740, 319106610, 638213220]

約数ペア:

[(1, 638213220), (2, 319106610), (3, 212737740), (4, 159553305), (5, 127642644), (6, 106368870), (9, 70912580), (10, 63821322), (12, 53184435), (15, 42547548), (18, 35456290), (20, 31910661), (30, 21273774), (36, 17728145), (45, 14182516), (60, 10636887), (90, 7091258), (180, 3545629)]