81138060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450767}}^1$

素因数の和:450782

約数の個数: 36

約数和(自身を含む): 246119328

約数和(自身を除く): 164981268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450767, 901534, 1352301, 1803068, 2253835, 2704602, 4056903, 4507670, 5409204, 6761505, 8113806, 9015340, 13523010, 16227612, 20284515, 27046020, 40569030, 81138060]

約数ペア:

[(1, 81138060), (2, 40569030), (3, 27046020), (4, 20284515), (5, 16227612), (6, 13523010), (9, 9015340), (10, 8113806), (12, 6761505), (15, 5409204), (18, 4507670), (20, 4056903), (30, 2704602), (36, 2253835), (45, 1803068), (60, 1352301), (90, 901534), (180, 450767)]