68489080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155657}}^1$

素因数の和:155679

約数の個数: 32

約数和(自身を含む): 168110640

約数和(自身を除く): 99621560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155657, 311314, 622628, 778285, 1245256, 1556570, 1712227, 3113140, 3424454, 6226280, 6848908, 8561135, 13697816, 17122270, 34244540, 68489080]

約数ペア:

[(1, 68489080), (2, 34244540), (4, 17122270), (5, 13697816), (8, 8561135), (10, 6848908), (11, 6226280), (20, 3424454), (22, 3113140), (40, 1712227), (44, 1556570), (55, 1245256), (88, 778285), (110, 622628), (220, 311314), (440, 155657)]