138386520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{384407}}^1$

素因数の和:384424

約数の個数: 48

約数和(自身を含む): 449757360

約数和(自身を除く): 311370840

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, 384407, 768814, 1153221, 1537628, 1922035, 2306442, 3075256, 3459663, 3844070, 4612884, 5766105, 6919326, 7688140, 9225768, 11532210, 13838652, 15376280, 17298315, 23064420, 27677304, 34596630, 46128840, 69193260, 138386520]

約数ペア:

[(1, 138386520), (2, 69193260), (3, 46128840), (4, 34596630), (5, 27677304), (6, 23064420), (8, 17298315), (9, 15376280), (10, 13838652), (12, 11532210), (15, 9225768), (18, 7688140), (20, 6919326), (24, 5766105), (30, 4612884), (36, 3844070), (40, 3459663), (45, 3075256), (60, 2306442), (72, 1922035), (90, 1537628), (120, 1153221), (180, 768814), (360, 384407)]