12718260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{70657}}^1$

素因数の和:70672

約数の個数: 36

約数和(自身を含む): 38579268

約数和(自身を除く): 25861008

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 70657, 141314, 211971, 282628, 353285, 423942, 635913, 706570, 847884, 1059855, 1271826, 1413140, 2119710, 2543652, 3179565, 4239420, 6359130, 12718260]

約数ペア:

[(1, 12718260), (2, 6359130), (3, 4239420), (4, 3179565), (5, 2543652), (6, 2119710), (9, 1413140), (10, 1271826), (12, 1059855), (15, 847884), (18, 706570), (20, 635913), (30, 423942), (36, 353285), (45, 282628), (60, 211971), (90, 141314), (180, 70657)]