81021900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{270073}}^1$

素因数の和:270090

約数の個数: 36

約数和(自身を含む): 234424232

約数和(自身を除く): 153402332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 270073, 540146, 810219, 1080292, 1350365, 1620438, 2700730, 3240876, 4051095, 5401460, 6751825, 8102190, 13503650, 16204380, 20255475, 27007300, 40510950, 81021900]

約数ペア:

[(1, 81021900), (2, 40510950), (3, 27007300), (4, 20255475), (5, 16204380), (6, 13503650), (10, 8102190), (12, 6751825), (15, 5401460), (20, 4051095), (25, 3240876), (30, 2700730), (50, 1620438), (60, 1350365), (75, 1080292), (100, 810219), (150, 540146), (300, 270073)]