1806280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{6451}}^1$

素因数の和:6469

約数の個数: 32

約数和(自身を含む): 4645440

約数和(自身を除く): 2839160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 6451, 12902, 25804, 32255, 45157, 51608, 64510, 90314, 129020, 180628, 225785, 258040, 361256, 451570, 903140, 1806280]

約数ペア:

[(1, 1806280), (2, 903140), (4, 451570), (5, 361256), (7, 258040), (8, 225785), (10, 180628), (14, 129020), (20, 90314), (28, 64510), (35, 51608), (40, 45157), (56, 32255), (70, 25804), (140, 12902), (280, 6451)]