81937740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2851}}^1$

素因数の和:3342

約数の個数: 48

約数和(自身を含む): 229985280

約数和(自身を除く): 148047540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 479, 958, 1437, 1916, 2395, 2851, 2874, 4790, 5702, 5748, 7185, 8553, 9580, 11404, 14255, 14370, 17106, 28510, 28740, 34212, 42765, 57020, 85530, 171060, 1365629, 2731258, 4096887, 5462516, 6828145, 8193774, 13656290, 16387548, 20484435, 27312580, 40968870, 81937740]

約数ペア:

[(1, 81937740), (2, 40968870), (3, 27312580), (4, 20484435), (5, 16387548), (6, 13656290), (10, 8193774), (12, 6828145), (15, 5462516), (20, 4096887), (30, 2731258), (60, 1365629), (479, 171060), (958, 85530), (1437, 57020), (1916, 42765), (2395, 34212), (2851, 28740), (2874, 28510), (4790, 17106), (5702, 14370), (5748, 14255), (7185, 11404), (8553, 9580)]