247942140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4132369}}^1$

素因数の和:4132381

約数の個数: 24

約数和(自身を含む): 694238160

約数和(自身を除く): 446296020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4132369, 8264738, 12397107, 16529476, 20661845, 24794214, 41323690, 49588428, 61985535, 82647380, 123971070, 247942140]

約数ペア:

[(1, 247942140), (2, 123971070), (3, 82647380), (4, 61985535), (5, 49588428), (6, 41323690), (10, 24794214), (12, 20661845), (15, 16529476), (20, 12397107), (30, 8264738), (60, 4132369)]