128199420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{712219}}^1$

素因数の和:712234

約数の個数: 36

約数和(自身を含む): 388872120

約数和(自身を除く): 260672700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 712219, 1424438, 2136657, 2848876, 3561095, 4273314, 6409971, 7122190, 8546628, 10683285, 12819942, 14244380, 21366570, 25639884, 32049855, 42733140, 64099710, 128199420]

約数ペア:

[(1, 128199420), (2, 64099710), (3, 42733140), (4, 32049855), (5, 25639884), (6, 21366570), (9, 14244380), (10, 12819942), (12, 10683285), (15, 8546628), (18, 7122190), (20, 6409971), (30, 4273314), (36, 3561095), (45, 2848876), (60, 2136657), (90, 1424438), (180, 712219)]