15681252020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2383169}}^1$

素因数の和:2383232

約数の個数: 48

約数和(自身を含む): 38435765760

約数和(自身を除く): 22754513740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 2383169, 4766338, 9532676, 11915845, 16682183, 23831690, 33364366, 47663380, 66728732, 83410915, 112008943, 166821830, 224017886, 333643660, 448035772, 560044715, 784062601, 1120089430, 1568125202, 2240178860, 3136250404, 3920313005, 7840626010, 15681252020]

約数ペア:

[(1, 15681252020), (2, 7840626010), (4, 3920313005), (5, 3136250404), (7, 2240178860), (10, 1568125202), (14, 1120089430), (20, 784062601), (28, 560044715), (35, 448035772), (47, 333643660), (70, 224017886), (94, 166821830), (140, 112008943), (188, 83410915), (235, 66728732), (329, 47663380), (470, 33364366), (658, 23831690), (940, 16682183), (1316, 11915845), (1645, 9532676), (3290, 4766338), (6580, 2383169)]