81292920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{677441}}^1$

素因数の和:677455

約数の個数: 32

約数和(自身を含む): 243879120

約数和(自身を除く): 162586200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 677441, 1354882, 2032323, 2709764, 3387205, 4064646, 5419528, 6774410, 8129292, 10161615, 13548820, 16258584, 20323230, 27097640, 40646460, 81292920]

約数ペア:

[(1, 81292920), (2, 40646460), (3, 27097640), (4, 20323230), (5, 16258584), (6, 13548820), (8, 10161615), (10, 8129292), (12, 6774410), (15, 5419528), (20, 4064646), (24, 3387205), (30, 2709764), (40, 2032323), (60, 1354882), (120, 677441)]