61991100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{68879}}^1$

素因数の和:68899

約数の個数: 54

約数和(自身を含む): 194310480

約数和(自身を除く): 132319380

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, 68879, 137758, 206637, 275516, 344395, 413274, 619911, 688790, 826548, 1033185, 1239822, 1377580, 1721975, 2066370, 2479644, 3099555, 3443950, 4132740, 5165925, 6199110, 6887900, 10331850, 12398220, 15497775, 20663700, 30995550, 61991100]

約数ペア:

[(1, 61991100), (2, 30995550), (3, 20663700), (4, 15497775), (5, 12398220), (6, 10331850), (9, 6887900), (10, 6199110), (12, 5165925), (15, 4132740), (18, 3443950), (20, 3099555), (25, 2479644), (30, 2066370), (36, 1721975), (45, 1377580), (50, 1239822), (60, 1033185), (75, 826548), (90, 688790), (100, 619911), (150, 413274), (180, 344395), (225, 275516), (300, 206637), (450, 137758), (900, 68879)]