31135140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{172973}}^1$

素因数の和:172988

約数の個数: 36

約数和(自身を含む): 94443804

約数和(自身を除く): 63308664

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 172973, 345946, 518919, 691892, 864865, 1037838, 1556757, 1729730, 2075676, 2594595, 3113514, 3459460, 5189190, 6227028, 7783785, 10378380, 15567570, 31135140]

約数ペア:

[(1, 31135140), (2, 15567570), (3, 10378380), (4, 7783785), (5, 6227028), (6, 5189190), (9, 3459460), (10, 3113514), (12, 2594595), (15, 2075676), (18, 1729730), (20, 1556757), (30, 1037838), (36, 864865), (45, 691892), (60, 518919), (90, 345946), (180, 172973)]