80180460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{445447}}^1$

素因数の和:445462

約数の個数: 36

約数和(自身を含む): 243214608

約数和(自身を除く): 163034148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 445447, 890894, 1336341, 1781788, 2227235, 2672682, 4009023, 4454470, 5345364, 6681705, 8018046, 8908940, 13363410, 16036092, 20045115, 26726820, 40090230, 80180460]

約数ペア:

[(1, 80180460), (2, 40090230), (3, 26726820), (4, 20045115), (5, 16036092), (6, 13363410), (9, 8908940), (10, 8018046), (12, 6681705), (15, 5345364), (18, 4454470), (20, 4009023), (30, 2672682), (36, 2227235), (45, 1781788), (60, 1336341), (90, 890894), (180, 445447)]