90131220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{500729}}^1$

素因数の和:500744

約数の個数: 36

約数和(自身を含む): 273398580

約数和(自身を除く): 183267360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 500729, 1001458, 1502187, 2002916, 2503645, 3004374, 4506561, 5007290, 6008748, 7510935, 9013122, 10014580, 15021870, 18026244, 22532805, 30043740, 45065610, 90131220]

約数ペア:

[(1, 90131220), (2, 45065610), (3, 30043740), (4, 22532805), (5, 18026244), (6, 15021870), (9, 10014580), (10, 9013122), (12, 7510935), (15, 6008748), (18, 5007290), (20, 4506561), (30, 3004374), (36, 2503645), (45, 2002916), (60, 1502187), (90, 1001458), (180, 500729)]