64169140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1493}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 154611072

約数和(自身を除く): 90441932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 1228, 1493, 1535, 2149, 2986, 3070, 4298, 5972, 6140, 7465, 8596, 10451, 10745, 14930, 20902, 21490, 29860, 41804, 42980, 52255, 104510, 209020, 458351, 916702, 1833404, 2291755, 3208457, 4583510, 6416914, 9167020, 12833828, 16042285, 32084570, 64169140]

約数ペア:

[(1, 64169140), (2, 32084570), (4, 16042285), (5, 12833828), (7, 9167020), (10, 6416914), (14, 4583510), (20, 3208457), (28, 2291755), (35, 1833404), (70, 916702), (140, 458351), (307, 209020), (614, 104510), (1228, 52255), (1493, 42980), (1535, 41804), (2149, 29860), (2986, 21490), (3070, 20902), (4298, 14930), (5972, 10745), (6140, 10451), (7465, 8596)]