81387870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{66169}}^1$

素因数の和:66220

約数の個数: 32

約数和(自身を含む): 200098080

約数和(自身を除く): 118710210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 66169, 132338, 198507, 330845, 397014, 661690, 992535, 1985070, 2712929, 5425858, 8138787, 13564645, 16277574, 27129290, 40693935, 81387870]

約数ペア:

[(1, 81387870), (2, 40693935), (3, 27129290), (5, 16277574), (6, 13564645), (10, 8138787), (15, 5425858), (30, 2712929), (41, 1985070), (82, 992535), (123, 661690), (205, 397014), (246, 330845), (410, 198507), (615, 132338), (1230, 66169)]