31139340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{518989}}^1$

素因数の和:519001

約数の個数: 24

約数和(自身を含む): 87190320

約数和(自身を除く): 56050980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 518989, 1037978, 1556967, 2075956, 2594945, 3113934, 5189890, 6227868, 7784835, 10379780, 15569670, 31139340]

約数ペア:

[(1, 31139340), (2, 15569670), (3, 10379780), (4, 7784835), (5, 6227868), (6, 5189890), (10, 3113934), (12, 2594945), (15, 2075956), (20, 1556967), (30, 1037978), (60, 518989)]