15896220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11519}}^1$

素因数の和:11554

約数の個数: 48

約数和(自身を含む): 46448640

約数和(自身を除く): 30552420

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, 11519, 23038, 34557, 46076, 57595, 69114, 115190, 138228, 172785, 230380, 264937, 345570, 529874, 691140, 794811, 1059748, 1324685, 1589622, 2649370, 3179244, 3974055, 5298740, 7948110, 15896220]

約数ペア:

[(1, 15896220), (2, 7948110), (3, 5298740), (4, 3974055), (5, 3179244), (6, 2649370), (10, 1589622), (12, 1324685), (15, 1059748), (20, 794811), (23, 691140), (30, 529874), (46, 345570), (60, 264937), (69, 230380), (92, 172785), (115, 138228), (138, 115190), (230, 69114), (276, 57595), (345, 46076), (460, 34557), (690, 23038), (1380, 11519)]