168269240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{135701}}^1$

素因数の和:135743

約数の個数: 32

約数和(自身を含む): 390821760

約数和(自身を除く): 222552520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 135701, 271402, 542804, 678505, 1085608, 1357010, 2714020, 4206731, 5428040, 8413462, 16826924, 21033655, 33653848, 42067310, 84134620, 168269240]

約数ペア:

[(1, 168269240), (2, 84134620), (4, 42067310), (5, 33653848), (8, 21033655), (10, 16826924), (20, 8413462), (31, 5428040), (40, 4206731), (62, 2714020), (124, 1357010), (155, 1085608), (248, 678505), (310, 542804), (620, 271402), (1240, 135701)]