81043020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450239}}^1$

素因数の和:450254

約数の個数: 36

約数和(自身を含む): 245831040

約数和(自身を除く): 164788020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450239, 900478, 1350717, 1800956, 2251195, 2701434, 4052151, 4502390, 5402868, 6753585, 8104302, 9004780, 13507170, 16208604, 20260755, 27014340, 40521510, 81043020]

約数ペア:

[(1, 81043020), (2, 40521510), (3, 27014340), (4, 20260755), (5, 16208604), (6, 13507170), (9, 9004780), (10, 8104302), (12, 6753585), (15, 5402868), (18, 4502390), (20, 4052151), (30, 2701434), (36, 2251195), (45, 1800956), (60, 1350717), (90, 900478), (180, 450239)]