28657260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53069}}^1$

素因数の和:53087

約数の個数: 48

約数和(自身を含む): 89157600

約数和(自身を除く): 60500340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 53069, 106138, 159207, 212276, 265345, 318414, 477621, 530690, 636828, 796035, 955242, 1061380, 1432863, 1592070, 1910484, 2388105, 2865726, 3184140, 4776210, 5731452, 7164315, 9552420, 14328630, 28657260]

約数ペア:

[(1, 28657260), (2, 14328630), (3, 9552420), (4, 7164315), (5, 5731452), (6, 4776210), (9, 3184140), (10, 2865726), (12, 2388105), (15, 1910484), (18, 1592070), (20, 1432863), (27, 1061380), (30, 955242), (36, 796035), (45, 636828), (54, 530690), (60, 477621), (90, 318414), (108, 265345), (135, 212276), (180, 159207), (270, 106138), (540, 53069)]