15657780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1601}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 44138304

約数和(自身を除く): 28480524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1601, 1630, 1956, 2445, 3202, 3260, 4803, 4890, 6404, 8005, 9606, 9780, 16010, 19212, 24015, 32020, 48030, 96060, 260963, 521926, 782889, 1043852, 1304815, 1565778, 2609630, 3131556, 3914445, 5219260, 7828890, 15657780]

約数ペア:

[(1, 15657780), (2, 7828890), (3, 5219260), (4, 3914445), (5, 3131556), (6, 2609630), (10, 1565778), (12, 1304815), (15, 1043852), (20, 782889), (30, 521926), (60, 260963), (163, 96060), (326, 48030), (489, 32020), (652, 24015), (815, 19212), (978, 16010), (1601, 9780), (1630, 9606), (1956, 8005), (2445, 6404), (3202, 4890), (3260, 4803)]