61518820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{2311}}^1$

素因数の和:2353

約数の個数: 48

約数和(自身を含む): 142160256

約数和(自身を除く): 80641436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1331, 2311, 2420, 2662, 4622, 5324, 6655, 9244, 11555, 13310, 23110, 25421, 26620, 46220, 50842, 101684, 127105, 254210, 279631, 508420, 559262, 1118524, 1398155, 2796310, 3075941, 5592620, 6151882, 12303764, 15379705, 30759410, 61518820]

約数ペア:

[(1, 61518820), (2, 30759410), (4, 15379705), (5, 12303764), (10, 6151882), (11, 5592620), (20, 3075941), (22, 2796310), (44, 1398155), (55, 1118524), (110, 559262), (121, 508420), (220, 279631), (242, 254210), (484, 127105), (605, 101684), (1210, 50842), (1331, 46220), (2311, 26620), (2420, 25421), (2662, 23110), (4622, 13310), (5324, 11555), (6655, 9244)]