77666220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431479}}^1$

素因数の和:431494

約数の個数: 36

約数和(自身を含む): 235588080

約数和(自身を除く): 157921860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431479, 862958, 1294437, 1725916, 2157395, 2588874, 3883311, 4314790, 5177748, 6472185, 7766622, 8629580, 12944370, 15533244, 19416555, 25888740, 38833110, 77666220]

約数ペア:

[(1, 77666220), (2, 38833110), (3, 25888740), (4, 19416555), (5, 15533244), (6, 12944370), (9, 8629580), (10, 7766622), (12, 6472185), (15, 5177748), (18, 4314790), (20, 3883311), (30, 2588874), (36, 2157395), (45, 1725916), (60, 1294437), (90, 862958), (180, 431479)]