138939480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385943}}^1$

素因数の和:385960

約数の個数: 48

約数和(自身を含む): 451554480

約数和(自身を除く): 312615000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 385943, 771886, 1157829, 1543772, 1929715, 2315658, 3087544, 3473487, 3859430, 4631316, 5789145, 6946974, 7718860, 9262632, 11578290, 13893948, 15437720, 17367435, 23156580, 27787896, 34734870, 46313160, 69469740, 138939480]

約数ペア:

[(1, 138939480), (2, 69469740), (3, 46313160), (4, 34734870), (5, 27787896), (6, 23156580), (8, 17367435), (9, 15437720), (10, 13893948), (12, 11578290), (15, 9262632), (18, 7718860), (20, 6946974), (24, 5789145), (30, 4631316), (36, 3859430), (40, 3473487), (45, 3087544), (60, 2315658), (72, 1929715), (90, 1543772), (120, 1157829), (180, 771886), (360, 385943)]