80498790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{894431}}^1$

素因数の和:894444

約数の個数: 24

約数和(自身を含む): 209297088

約数和(自身を除く): 128798298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 894431, 1788862, 2683293, 4472155, 5366586, 8049879, 8944310, 13416465, 16099758, 26832930, 40249395, 80498790]

約数ペア:

[(1, 80498790), (2, 40249395), (3, 26832930), (5, 16099758), (6, 13416465), (9, 8944310), (10, 8049879), (15, 5366586), (18, 4472155), (30, 2683293), (45, 1788862), (90, 894431)]