15860740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{587}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 38328192

約数和(自身を除く): 22467452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 587, 772, 965, 1174, 1351, 1930, 2348, 2702, 2935, 3860, 4109, 5404, 5870, 6755, 8218, 11740, 13510, 16436, 20545, 27020, 41090, 82180, 113291, 226582, 453164, 566455, 793037, 1132910, 1586074, 2265820, 3172148, 3965185, 7930370, 15860740]

約数ペア:

[(1, 15860740), (2, 7930370), (4, 3965185), (5, 3172148), (7, 2265820), (10, 1586074), (14, 1132910), (20, 793037), (28, 566455), (35, 453164), (70, 226582), (140, 113291), (193, 82180), (386, 41090), (587, 27020), (772, 20545), (965, 16436), (1174, 13510), (1351, 11740), (1930, 8218), (2348, 6755), (2702, 5870), (2935, 5404), (3860, 4109)]