13220820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{8161}}^1$

素因数の和:8182

約数の個数: 60

約数和(自身を含む): 41479284

約数和(自身を除く): 28258464

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 8161, 16322, 24483, 32644, 40805, 48966, 73449, 81610, 97932, 122415, 146898, 163220, 220347, 244830, 293796, 367245, 440694, 489660, 661041, 734490, 881388, 1101735, 1322082, 1468980, 2203470, 2644164, 3305205, 4406940, 6610410, 13220820]

約数ペア:

[(1, 13220820), (2, 6610410), (3, 4406940), (4, 3305205), (5, 2644164), (6, 2203470), (9, 1468980), (10, 1322082), (12, 1101735), (15, 881388), (18, 734490), (20, 661041), (27, 489660), (30, 440694), (36, 367245), (45, 293796), (54, 244830), (60, 220347), (81, 163220), (90, 146898), (108, 122415), (135, 97932), (162, 81610), (180, 73449), (270, 48966), (324, 40805), (405, 32644), (540, 24483), (810, 16322), (1620, 8161)]