180072305

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{12049}}^1$

素因数の和:12129

約数の個数: 24

約数和(自身を含む): 255508200

約数和(自身を除く): 75435895

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 2135, 2989, 12049, 14945, 60245, 84343, 421715, 590401, 734989, 2952005, 3674945, 5144923, 25724615, 36014461, 180072305]

約数ペア:

[(1, 180072305), (5, 36014461), (7, 25724615), (35, 5144923), (49, 3674945), (61, 2952005), (245, 734989), (305, 590401), (427, 421715), (2135, 84343), (2989, 60245), (12049, 14945)]