81486060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71479}}^1$

素因数の和:71510

約数の個数: 48

約数和(自身を含む): 240172800

約数和(自身を除く): 158686740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 71479, 142958, 214437, 285916, 357395, 428874, 714790, 857748, 1072185, 1358101, 1429580, 2144370, 2716202, 4074303, 4288740, 5432404, 6790505, 8148606, 13581010, 16297212, 20371515, 27162020, 40743030, 81486060]

約数ペア:

[(1, 81486060), (2, 40743030), (3, 27162020), (4, 20371515), (5, 16297212), (6, 13581010), (10, 8148606), (12, 6790505), (15, 5432404), (19, 4288740), (20, 4074303), (30, 2716202), (38, 2144370), (57, 1429580), (60, 1358101), (76, 1072185), (95, 857748), (114, 714790), (190, 428874), (228, 357395), (285, 285916), (380, 214437), (570, 142958), (1140, 71479)]