81583020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{453239}}^1$

素因数の和:453254

約数の個数: 36

約数和(自身を含む): 247469040

約数和(自身を除く): 165886020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 453239, 906478, 1359717, 1812956, 2266195, 2719434, 4079151, 4532390, 5438868, 6798585, 8158302, 9064780, 13597170, 16316604, 20395755, 27194340, 40791510, 81583020]

約数ペア:

[(1, 81583020), (2, 40791510), (3, 27194340), (4, 20395755), (5, 16316604), (6, 13597170), (9, 9064780), (10, 8158302), (12, 6798585), (15, 5438868), (18, 4532390), (20, 4079151), (30, 2719434), (36, 2266195), (45, 1812956), (60, 1359717), (90, 906478), (180, 453239)]