68277880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{14107}}^1$

素因数の和:14140

約数の個数: 48

約数和(自身を含む): 168872760

約数和(自身を除く): 100594880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 14107, 28214, 56428, 70535, 112856, 141070, 155177, 282140, 310354, 564280, 620708, 775885, 1241416, 1551770, 1706947, 3103540, 3413894, 6207080, 6827788, 8534735, 13655576, 17069470, 34138940, 68277880]

約数ペア:

[(1, 68277880), (2, 34138940), (4, 17069470), (5, 13655576), (8, 8534735), (10, 6827788), (11, 6207080), (20, 3413894), (22, 3103540), (40, 1706947), (44, 1551770), (55, 1241416), (88, 775885), (110, 620708), (121, 564280), (220, 310354), (242, 282140), (440, 155177), (484, 141070), (605, 112856), (968, 70535), (1210, 56428), (2420, 28214), (4840, 14107)]