156615980

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{8521}}^1$

素因数の和:9449

約数の個数: 24

約数和(自身を含む): 329290080

約数和(自身を除く): 172674100

約数列:

[1, 2, 4, 5, 10, 20, 919, 1838, 3676, 4595, 8521, 9190, 17042, 18380, 34084, 42605, 85210, 170420, 7830799, 15661598, 31323196, 39153995, 78307990, 156615980]

約数ペア:

[(1, 156615980), (2, 78307990), (4, 39153995), (5, 31323196), (10, 15661598), (20, 7830799), (919, 170420), (1838, 85210), (3676, 42605), (4595, 34084), (8521, 18380), (9190, 17042)]