67297780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{27809}}^1$

素因数の和:27840

約数の個数: 36

約数和(自身を含む): 155346660

約数和(自身を除く): 88048880

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 27809, 55618, 111236, 139045, 278090, 305899, 556180, 611798, 1223596, 1529495, 3058990, 3364889, 6117980, 6729778, 13459556, 16824445, 33648890, 67297780]

約数ペア:

[(1, 67297780), (2, 33648890), (4, 16824445), (5, 13459556), (10, 6729778), (11, 6117980), (20, 3364889), (22, 3058990), (44, 1529495), (55, 1223596), (110, 611798), (121, 556180), (220, 305899), (242, 278090), (484, 139045), (605, 111236), (1210, 55618), (2420, 27809)]