31541340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1009}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 88572960

約数和(自身を除く): 57031620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 1009, 1042, 1563, 2018, 2084, 2605, 3027, 3126, 4036, 5045, 5210, 6054, 6252, 7815, 10090, 10420, 12108, 15135, 15630, 20180, 30270, 31260, 60540, 525689, 1051378, 1577067, 2102756, 2628445, 3154134, 5256890, 6308268, 7885335, 10513780, 15770670, 31541340]

約数ペア:

[(1, 31541340), (2, 15770670), (3, 10513780), (4, 7885335), (5, 6308268), (6, 5256890), (10, 3154134), (12, 2628445), (15, 2102756), (20, 1577067), (30, 1051378), (60, 525689), (521, 60540), (1009, 31260), (1042, 30270), (1563, 20180), (2018, 15630), (2084, 15135), (2605, 12108), (3027, 10420), (3126, 10090), (4036, 7815), (5045, 6252), (5210, 6054)]