68710040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1163}}^1$

素因数の和:1392

約数の個数: 64

約数和(自身を含む): 177672960

約数和(自身を除く): 108962920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1055, 1163, 1477, 1688, 2110, 2326, 2954, 4220, 4652, 5815, 5908, 7385, 8141, 8440, 9304, 11630, 11816, 14770, 16282, 23260, 29540, 32564, 40705, 46520, 59080, 65128, 81410, 162820, 245393, 325640, 490786, 981572, 1226965, 1717751, 1963144, 2453930, 3435502, 4907860, 6871004, 8588755, 9815720, 13742008, 17177510, 34355020, 68710040]

約数ペア:

[(1, 68710040), (2, 34355020), (4, 17177510), (5, 13742008), (7, 9815720), (8, 8588755), (10, 6871004), (14, 4907860), (20, 3435502), (28, 2453930), (35, 1963144), (40, 1717751), (56, 1226965), (70, 981572), (140, 490786), (211, 325640), (280, 245393), (422, 162820), (844, 81410), (1055, 65128), (1163, 59080), (1477, 46520), (1688, 40705), (2110, 32564), (2326, 29540), (2954, 23260), (4220, 16282), (4652, 14770), (5815, 11816), (5908, 11630), (7385, 9304), (8141, 8440)]