1215528740

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{907111}}^1$

素因数の和:907187

約数の個数: 24

約数和(自身を含む): 2590711872

約数和(自身を除く): 1375183132

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 907111, 1814222, 3628444, 4535555, 9071110, 18142220, 60776437, 121552874, 243105748, 303882185, 607764370, 1215528740]

約数ペア:

[(1, 1215528740), (2, 607764370), (4, 303882185), (5, 243105748), (10, 121552874), (20, 60776437), (67, 18142220), (134, 9071110), (268, 4535555), (335, 3628444), (670, 1814222), (1340, 907111)]