51312780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{285071}}^1$

素因数の和:285086

約数の個数: 36

約数和(自身を含む): 155649312

約数和(自身を除く): 104336532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 285071, 570142, 855213, 1140284, 1425355, 1710426, 2565639, 2850710, 3420852, 4276065, 5131278, 5701420, 8552130, 10262556, 12828195, 17104260, 25656390, 51312780]

約数ペア:

[(1, 51312780), (2, 25656390), (3, 17104260), (4, 12828195), (5, 10262556), (6, 8552130), (9, 5701420), (10, 5131278), (12, 4276065), (15, 3420852), (18, 2850710), (20, 2565639), (30, 1710426), (36, 1425355), (45, 1140284), (60, 855213), (90, 570142), (180, 285071)]