1858640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3319}}^1$

素因数の和:3339

約数の個数: 40

約数和(自身を含む): 4940160

約数和(自身を除く): 3081520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3319, 6638, 13276, 16595, 23233, 26552, 33190, 46466, 53104, 66380, 92932, 116165, 132760, 185864, 232330, 265520, 371728, 464660, 929320, 1858640]

約数ペア:

[(1, 1858640), (2, 929320), (4, 464660), (5, 371728), (7, 265520), (8, 232330), (10, 185864), (14, 132760), (16, 116165), (20, 92932), (28, 66380), (35, 53104), (40, 46466), (56, 33190), (70, 26552), (80, 23233), (112, 16595), (140, 13276), (280, 6638), (560, 3319)]