30721848

素因数分解:

$2^3\times 3^1\times {\mathrm{641}}^1\times {\mathrm{1997}}^1$

素因数の和:2647

約数の個数: 32

約数和(自身を含む): 76962960

約数和(自身を除く): 46241112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 641, 1282, 1923, 1997, 2564, 3846, 3994, 5128, 5991, 7692, 7988, 11982, 15384, 15976, 23964, 47928, 1280077, 2560154, 3840231, 5120308, 7680462, 10240616, 15360924, 30721848]

約数ペア:

[(1, 30721848), (2, 15360924), (3, 10240616), (4, 7680462), (6, 5120308), (8, 3840231), (12, 2560154), (24, 1280077), (641, 47928), (1282, 23964), (1923, 15976), (1997, 15384), (2564, 11982), (3846, 7988), (3994, 7692), (5128, 5991)]