15502020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2903}}^1$

素因数の和:3004

約数の個数: 48

約数和(自身を含む): 43908480

約数和(自身を除く): 28406460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 2903, 5340, 5806, 8709, 11612, 14515, 17418, 29030, 34836, 43545, 58060, 87090, 174180, 258367, 516734, 775101, 1033468, 1291835, 1550202, 2583670, 3100404, 3875505, 5167340, 7751010, 15502020]

約数ペア:

[(1, 15502020), (2, 7751010), (3, 5167340), (4, 3875505), (5, 3100404), (6, 2583670), (10, 1550202), (12, 1291835), (15, 1033468), (20, 775101), (30, 516734), (60, 258367), (89, 174180), (178, 87090), (267, 58060), (356, 43545), (445, 34836), (534, 29030), (890, 17418), (1068, 14515), (1335, 11612), (1780, 8709), (2670, 5806), (2903, 5340)]