138926520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385907}}^1$

素因数の和:385924

約数の個数: 48

約数和(自身を含む): 451512360

約数和(自身を除く): 312585840

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, 385907, 771814, 1157721, 1543628, 1929535, 2315442, 3087256, 3473163, 3859070, 4630884, 5788605, 6946326, 7718140, 9261768, 11577210, 13892652, 15436280, 17365815, 23154420, 27785304, 34731630, 46308840, 69463260, 138926520]

約数ペア:

[(1, 138926520), (2, 69463260), (3, 46308840), (4, 34731630), (5, 27785304), (6, 23154420), (8, 17365815), (9, 15436280), (10, 13892652), (12, 11577210), (15, 9261768), (18, 7718140), (20, 6946326), (24, 5788605), (30, 4630884), (36, 3859070), (40, 3473163), (45, 3087256), (60, 2315442), (72, 1929535), (90, 1543628), (120, 1157721), (180, 771814), (360, 385907)]