72308740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16661}}^1$

素因数の和:16708

約数の個数: 48

約数和(自身を含む): 179149824

約数和(自身を除く): 106841084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 16661, 33322, 66644, 83305, 116627, 166610, 233254, 333220, 466508, 516491, 583135, 1032982, 1166270, 2065964, 2332540, 2582455, 3615437, 5164910, 7230874, 10329820, 14461748, 18077185, 36154370, 72308740]

約数ペア:

[(1, 72308740), (2, 36154370), (4, 18077185), (5, 14461748), (7, 10329820), (10, 7230874), (14, 5164910), (20, 3615437), (28, 2582455), (31, 2332540), (35, 2065964), (62, 1166270), (70, 1032982), (124, 583135), (140, 516491), (155, 466508), (217, 333220), (310, 233254), (434, 166610), (620, 116627), (868, 83305), (1085, 66644), (2170, 33322), (4340, 16661)]