156521480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{126227}}^1$

素因数の和:126269

約数の個数: 32

約数和(自身を含む): 363536640

約数和(自身を除く): 207015160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 126227, 252454, 504908, 631135, 1009816, 1262270, 2524540, 3913037, 5049080, 7826074, 15652148, 19565185, 31304296, 39130370, 78260740, 156521480]

約数ペア:

[(1, 156521480), (2, 78260740), (4, 39130370), (5, 31304296), (8, 19565185), (10, 15652148), (20, 7826074), (31, 5049080), (40, 3913037), (62, 2524540), (124, 1262270), (155, 1009816), (248, 631135), (310, 504908), (620, 252454), (1240, 126227)]