66996900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{74441}}^1$

素因数の和:74461

約数の個数: 54

約数和(自身を含む): 210000882

約数和(自身を除く): 143003982

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 74441, 148882, 223323, 297764, 372205, 446646, 669969, 744410, 893292, 1116615, 1339938, 1488820, 1861025, 2233230, 2679876, 3349845, 3722050, 4466460, 5583075, 6699690, 7444100, 11166150, 13399380, 16749225, 22332300, 33498450, 66996900]

約数ペア:

[(1, 66996900), (2, 33498450), (3, 22332300), (4, 16749225), (5, 13399380), (6, 11166150), (9, 7444100), (10, 6699690), (12, 5583075), (15, 4466460), (18, 3722050), (20, 3349845), (25, 2679876), (30, 2233230), (36, 1861025), (45, 1488820), (50, 1339938), (60, 1116615), (75, 893292), (90, 744410), (100, 669969), (150, 446646), (180, 372205), (225, 297764), (300, 223323), (450, 148882), (900, 74441)]