128564208

素因数分解:

$2^4\times 3^2\times {\mathrm{251}}^1\times {\mathrm{3557}}^1$

素因数の和:3822

約数の個数: 60

約数和(自身を含む): 361336248

約数和(自身を除く): 232772040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 251, 502, 753, 1004, 1506, 2008, 2259, 3012, 3557, 4016, 4518, 6024, 7114, 9036, 10671, 12048, 14228, 18072, 21342, 28456, 32013, 36144, 42684, 56912, 64026, 85368, 128052, 170736, 256104, 512208, 892807, 1785614, 2678421, 3571228, 5356842, 7142456, 8035263, 10713684, 14284912, 16070526, 21427368, 32141052, 42854736, 64282104, 128564208]

約数ペア:

[(1, 128564208), (2, 64282104), (3, 42854736), (4, 32141052), (6, 21427368), (8, 16070526), (9, 14284912), (12, 10713684), (16, 8035263), (18, 7142456), (24, 5356842), (36, 3571228), (48, 2678421), (72, 1785614), (144, 892807), (251, 512208), (502, 256104), (753, 170736), (1004, 128052), (1506, 85368), (2008, 64026), (2259, 56912), (3012, 42684), (3557, 36144), (4016, 32013), (4518, 28456), (6024, 21342), (7114, 18072), (9036, 14228), (10671, 12048)]