77780636460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{672029}}^1$

素因数の和:672687

約数の個数: 72

約数和(自身を含む): 236301876720

約数和(自身を除く): 158521240260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 643, 1286, 1929, 2572, 3215, 3858, 5787, 6430, 7716, 9645, 11574, 12860, 19290, 23148, 28935, 38580, 57870, 115740, 672029, 1344058, 2016087, 2688116, 3360145, 4032174, 6048261, 6720290, 8064348, 10080435, 12096522, 13440580, 20160870, 24193044, 30241305, 40321740, 60482610, 120965220, 432114647, 864229294, 1296343941, 1728458588, 2160573235, 2592687882, 3889031823, 4321146470, 5185375764, 6481719705, 7778063646, 8642292940, 12963439410, 15556127292, 19445159115, 25926878820, 38890318230, 77780636460]

約数ペア:

[(1, 77780636460), (2, 38890318230), (3, 25926878820), (4, 19445159115), (5, 15556127292), (6, 12963439410), (9, 8642292940), (10, 7778063646), (12, 6481719705), (15, 5185375764), (18, 4321146470), (20, 3889031823), (30, 2592687882), (36, 2160573235), (45, 1728458588), (60, 1296343941), (90, 864229294), (180, 432114647), (643, 120965220), (1286, 60482610), (1929, 40321740), (2572, 30241305), (3215, 24193044), (3858, 20160870), (5787, 13440580), (6430, 12096522), (7716, 10080435), (9645, 8064348), (11574, 6720290), (12860, 6048261), (19290, 4032174), (23148, 3360145), (28935, 2688116), (38580, 2016087), (57870, 1344058), (115740, 672029)]