2778180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2437}}^1$

素因数の和:2468

約数の個数: 48

約数和(自身を含む): 8191680

約数和(自身を除く): 5413500

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, 2437, 4874, 7311, 9748, 12185, 14622, 24370, 29244, 36555, 46303, 48740, 73110, 92606, 138909, 146220, 185212, 231515, 277818, 463030, 555636, 694545, 926060, 1389090, 2778180]

約数ペア:

[(1, 2778180), (2, 1389090), (3, 926060), (4, 694545), (5, 555636), (6, 463030), (10, 277818), (12, 231515), (15, 185212), (19, 146220), (20, 138909), (30, 92606), (38, 73110), (57, 48740), (60, 46303), (76, 36555), (95, 29244), (114, 24370), (190, 14622), (228, 12185), (285, 9748), (380, 7311), (570, 4874), (1140, 2437)]