21644880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90187}}^1$

素因数の和:90203

約数の個数: 40

約数和(自身を含む): 67099872

約数和(自身を除く): 45454992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90187, 180374, 270561, 360748, 450935, 541122, 721496, 901870, 1082244, 1352805, 1442992, 1803740, 2164488, 2705610, 3607480, 4328976, 5411220, 7214960, 10822440, 21644880]

約数ペア:

[(1, 21644880), (2, 10822440), (3, 7214960), (4, 5411220), (5, 4328976), (6, 3607480), (8, 2705610), (10, 2164488), (12, 1803740), (15, 1442992), (16, 1352805), (20, 1082244), (24, 901870), (30, 721496), (40, 541122), (48, 450935), (60, 360748), (80, 270561), (120, 180374), (240, 90187)]