27947080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 72449280

約数和(自身を除く): 44502200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 661, 755, 1057, 1208, 1322, 1510, 2114, 2644, 3020, 3305, 4228, 4627, 5285, 5288, 6040, 6610, 8456, 9254, 10570, 13220, 18508, 21140, 23135, 26440, 37016, 42280, 46270, 92540, 99811, 185080, 199622, 399244, 499055, 698677, 798488, 998110, 1397354, 1996220, 2794708, 3493385, 3992440, 5589416, 6986770, 13973540, 27947080]

約数ペア:

[(1, 27947080), (2, 13973540), (4, 6986770), (5, 5589416), (7, 3992440), (8, 3493385), (10, 2794708), (14, 1996220), (20, 1397354), (28, 998110), (35, 798488), (40, 698677), (56, 499055), (70, 399244), (140, 199622), (151, 185080), (280, 99811), (302, 92540), (604, 46270), (661, 42280), (755, 37016), (1057, 26440), (1208, 23135), (1322, 21140), (1510, 18508), (2114, 13220), (2644, 10570), (3020, 9254), (3305, 8456), (4228, 6610), (4627, 6040), (5285, 5288)]