68463560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155599}}^1$

素因数の和:155621

約数の個数: 32

約数和(自身を含む): 168048000

約数和(自身を除く): 99584440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155599, 311198, 622396, 777995, 1244792, 1555990, 1711589, 3111980, 3423178, 6223960, 6846356, 8557945, 13692712, 17115890, 34231780, 68463560]

約数ペア:

[(1, 68463560), (2, 34231780), (4, 17115890), (5, 13692712), (8, 8557945), (10, 6846356), (11, 6223960), (20, 3423178), (22, 3111980), (40, 1711589), (44, 1555990), (55, 1244792), (88, 777995), (110, 622396), (220, 311198), (440, 155599)]