138678660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{770437}}^1$

素因数の和:770452

約数の個数: 36

約数和(自身を含む): 420659148

約数和(自身を除く): 281980488

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 770437, 1540874, 2311311, 3081748, 3852185, 4622622, 6933933, 7704370, 9245244, 11556555, 13867866, 15408740, 23113110, 27735732, 34669665, 46226220, 69339330, 138678660]

約数ペア:

[(1, 138678660), (2, 69339330), (3, 46226220), (4, 34669665), (5, 27735732), (6, 23113110), (9, 15408740), (10, 13867866), (12, 11556555), (15, 9245244), (18, 7704370), (20, 6933933), (30, 4622622), (36, 3852185), (45, 3081748), (60, 2311311), (90, 1540874), (180, 770437)]