138693420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{770519}}^1$

素因数の和:770534

約数の個数: 36

約数和(自身を含む): 420703920

約数和(自身を除く): 282010500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 770519, 1541038, 2311557, 3082076, 3852595, 4623114, 6934671, 7705190, 9246228, 11557785, 13869342, 15410380, 23115570, 27738684, 34673355, 46231140, 69346710, 138693420]

約数ペア:

[(1, 138693420), (2, 69346710), (3, 46231140), (4, 34673355), (5, 27738684), (6, 23115570), (9, 15410380), (10, 13869342), (12, 11557785), (15, 9246228), (18, 7705190), (20, 6934671), (30, 4623114), (36, 3852595), (45, 3082076), (60, 2311557), (90, 1541038), (180, 770519)]