2163280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3863}}^1$

素因数の和:3883

約数の個数: 40

約数和(自身を含む): 5749632

約数和(自身を除く): 3586352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3863, 7726, 15452, 19315, 27041, 30904, 38630, 54082, 61808, 77260, 108164, 135205, 154520, 216328, 270410, 309040, 432656, 540820, 1081640, 2163280]

約数ペア:

[(1, 2163280), (2, 1081640), (4, 540820), (5, 432656), (7, 309040), (8, 270410), (10, 216328), (14, 154520), (16, 135205), (20, 108164), (28, 77260), (35, 61808), (40, 54082), (56, 38630), (70, 30904), (80, 27041), (112, 19315), (140, 15452), (280, 7726), (560, 3863)]