28771620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20849}}^1$

素因数の和:20884

約数の個数: 48

約数和(自身を含む): 84067200

約数和(自身を除く): 55295580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 20849, 41698, 62547, 83396, 104245, 125094, 208490, 250188, 312735, 416980, 479527, 625470, 959054, 1250940, 1438581, 1918108, 2397635, 2877162, 4795270, 5754324, 7192905, 9590540, 14385810, 28771620]

約数ペア:

[(1, 28771620), (2, 14385810), (3, 9590540), (4, 7192905), (5, 5754324), (6, 4795270), (10, 2877162), (12, 2397635), (15, 1918108), (20, 1438581), (23, 1250940), (30, 959054), (46, 625470), (60, 479527), (69, 416980), (92, 312735), (115, 250188), (138, 208490), (230, 125094), (276, 104245), (345, 83396), (460, 62547), (690, 41698), (1380, 20849)]