81189180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{451051}}^1$

素因数の和:451066

約数の個数: 36

約数和(自身を含む): 246274392

約数和(自身を除く): 165085212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 451051, 902102, 1353153, 1804204, 2255255, 2706306, 4059459, 4510510, 5412612, 6765765, 8118918, 9021020, 13531530, 16237836, 20297295, 27063060, 40594590, 81189180]

約数ペア:

[(1, 81189180), (2, 40594590), (3, 27063060), (4, 20297295), (5, 16237836), (6, 13531530), (9, 9021020), (10, 8118918), (12, 6765765), (15, 5412612), (18, 4510510), (20, 4059459), (30, 2706306), (36, 2255255), (45, 1804204), (60, 1353153), (90, 902102), (180, 451051)]