11111220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61729}}^1$

素因数の和:61744

約数の個数: 36

約数和(自身を含む): 33704580

約数和(自身を除く): 22593360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 61729, 123458, 185187, 246916, 308645, 370374, 555561, 617290, 740748, 925935, 1111122, 1234580, 1851870, 2222244, 2777805, 3703740, 5555610, 11111220]

約数ペア:

[(1, 11111220), (2, 5555610), (3, 3703740), (4, 2777805), (5, 2222244), (6, 1851870), (9, 1234580), (10, 1111122), (12, 925935), (15, 740748), (18, 617290), (20, 555561), (30, 370374), (36, 308645), (45, 246916), (60, 185187), (90, 123458), (180, 61729)]