1285452560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2295451}}^1$

素因数の和:2295471

約数の個数: 40

約数和(自身を含む): 3415632576

約数和(自身を除く): 2130180016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2295451, 4590902, 9181804, 11477255, 16068157, 18363608, 22954510, 32136314, 36727216, 45909020, 64272628, 80340785, 91818040, 128545256, 160681570, 183636080, 257090512, 321363140, 642726280, 1285452560]

約数ペア:

[(1, 1285452560), (2, 642726280), (4, 321363140), (5, 257090512), (7, 183636080), (8, 160681570), (10, 128545256), (14, 91818040), (16, 80340785), (20, 64272628), (28, 45909020), (35, 36727216), (40, 32136314), (56, 22954510), (70, 18363608), (80, 16068157), (112, 11477255), (140, 9181804), (280, 4590902), (560, 2295451)]