15257680

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{709}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 35656200

約数和(自身を除く): 20398520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 709, 1076, 1345, 1418, 2152, 2690, 2836, 3545, 4304, 5380, 5672, 7090, 10760, 11344, 14180, 21520, 28360, 56720, 190721, 381442, 762884, 953605, 1525768, 1907210, 3051536, 3814420, 7628840, 15257680]

約数ペア:

[(1, 15257680), (2, 7628840), (4, 3814420), (5, 3051536), (8, 1907210), (10, 1525768), (16, 953605), (20, 762884), (40, 381442), (80, 190721), (269, 56720), (538, 28360), (709, 21520), (1076, 14180), (1345, 11344), (1418, 10760), (2152, 7090), (2690, 5672), (2836, 5380), (3545, 4304)]