57171780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{317621}}^1$

素因数の和:317636

約数の個数: 36

約数和(自身を含む): 173421612

約数和(自身を除く): 116249832

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 317621, 635242, 952863, 1270484, 1588105, 1905726, 2858589, 3176210, 3811452, 4764315, 5717178, 6352420, 9528630, 11434356, 14292945, 19057260, 28585890, 57171780]

約数ペア:

[(1, 57171780), (2, 28585890), (3, 19057260), (4, 14292945), (5, 11434356), (6, 9528630), (9, 6352420), (10, 5717178), (12, 4764315), (15, 3811452), (18, 3176210), (20, 2858589), (30, 1905726), (36, 1588105), (45, 1270484), (60, 952863), (90, 635242), (180, 317621)]