68931280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7121}}^1$

素因数の和:7156

約数の個数: 60

約数和(自身を含む): 176184036

約数和(自身を除く): 107252756

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 7121, 9680, 14242, 28484, 35605, 56968, 71210, 78331, 113936, 142420, 156662, 284840, 313324, 391655, 569680, 626648, 783310, 861641, 1253296, 1566620, 1723282, 3133240, 3446564, 4308205, 6266480, 6893128, 8616410, 13786256, 17232820, 34465640, 68931280]

約数ペア:

[(1, 68931280), (2, 34465640), (4, 17232820), (5, 13786256), (8, 8616410), (10, 6893128), (11, 6266480), (16, 4308205), (20, 3446564), (22, 3133240), (40, 1723282), (44, 1566620), (55, 1253296), (80, 861641), (88, 783310), (110, 626648), (121, 569680), (176, 391655), (220, 313324), (242, 284840), (440, 156662), (484, 142420), (605, 113936), (880, 78331), (968, 71210), (1210, 56968), (1936, 35605), (2420, 28484), (4840, 14242), (7121, 9680)]