135876760

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{9623}}^1$

素因数の和:9987

約数の個数: 32

約数和(自身を含む): 306620640

約数和(自身を除く): 170743880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 9623, 14120, 19246, 38492, 48115, 76984, 96230, 192460, 384920, 3396919, 6793838, 13587676, 16984595, 27175352, 33969190, 67938380, 135876760]

約数ペア:

[(1, 135876760), (2, 67938380), (4, 33969190), (5, 27175352), (8, 16984595), (10, 13587676), (20, 6793838), (40, 3396919), (353, 384920), (706, 192460), (1412, 96230), (1765, 76984), (2824, 48115), (3530, 38492), (7060, 19246), (9623, 14120)]