68297960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55079}}^1$

素因数の和:55121

約数の個数: 32

約数和(自身を含む): 158630400

約数和(自身を除く): 90332440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55079, 110158, 220316, 275395, 440632, 550790, 1101580, 1707449, 2203160, 3414898, 6829796, 8537245, 13659592, 17074490, 34148980, 68297960]

約数ペア:

[(1, 68297960), (2, 34148980), (4, 17074490), (5, 13659592), (8, 8537245), (10, 6829796), (20, 3414898), (31, 2203160), (40, 1707449), (62, 1101580), (124, 550790), (155, 440632), (248, 275395), (310, 220316), (620, 110158), (1240, 55079)]