81514576

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1549}}^1$

素因数の和:1604

約数の個数: 80

約数和(自身を含む): 193737600

約数和(自身を除く): 112223024

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 44, 46, 52, 88, 92, 104, 143, 176, 184, 208, 253, 286, 299, 368, 506, 572, 598, 1012, 1144, 1196, 1549, 2024, 2288, 2392, 3098, 3289, 4048, 4784, 6196, 6578, 12392, 13156, 17039, 20137, 24784, 26312, 34078, 35627, 40274, 52624, 68156, 71254, 80548, 136312, 142508, 161096, 221507, 272624, 285016, 322192, 391897, 443014, 463151, 570032, 783794, 886028, 926302, 1567588, 1772056, 1852604, 3135176, 3544112, 3705208, 5094661, 6270352, 7410416, 10189322, 20378644, 40757288, 81514576]

約数ペア:

[(1, 81514576), (2, 40757288), (4, 20378644), (8, 10189322), (11, 7410416), (13, 6270352), (16, 5094661), (22, 3705208), (23, 3544112), (26, 3135176), (44, 1852604), (46, 1772056), (52, 1567588), (88, 926302), (92, 886028), (104, 783794), (143, 570032), (176, 463151), (184, 443014), (208, 391897), (253, 322192), (286, 285016), (299, 272624), (368, 221507), (506, 161096), (572, 142508), (598, 136312), (1012, 80548), (1144, 71254), (1196, 68156), (1549, 52624), (2024, 40274), (2288, 35627), (2392, 34078), (3098, 26312), (3289, 24784), (4048, 20137), (4784, 17039), (6196, 13156), (6578, 12392)]