1571780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 3843840

約数和(自身を除く): 2272060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 109, 140, 206, 218, 412, 436, 515, 545, 721, 763, 1030, 1090, 1442, 1526, 2060, 2180, 2884, 3052, 3605, 3815, 7210, 7630, 11227, 14420, 15260, 22454, 44908, 56135, 78589, 112270, 157178, 224540, 314356, 392945, 785890, 1571780]

約数ペア:

[(1, 1571780), (2, 785890), (4, 392945), (5, 314356), (7, 224540), (10, 157178), (14, 112270), (20, 78589), (28, 56135), (35, 44908), (70, 22454), (103, 15260), (109, 14420), (140, 11227), (206, 7630), (218, 7210), (412, 3815), (436, 3605), (515, 3052), (545, 2884), (721, 2180), (763, 2060), (1030, 1526), (1090, 1442)]