1215380

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 2593248

約数和(自身を除く): 1377868

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 907, 1340, 1814, 3628, 4535, 9070, 18140, 60769, 121538, 243076, 303845, 607690, 1215380]

約数ペア:

[(1, 1215380), (2, 607690), (4, 303845), (5, 243076), (10, 121538), (20, 60769), (67, 18140), (134, 9070), (268, 4535), (335, 3628), (670, 1814), (907, 1340)]