78791220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{437729}}^1$

素因数の和:437744

約数の個数: 36

約数和(自身を含む): 239000580

約数和(自身を除く): 160209360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 437729, 875458, 1313187, 1750916, 2188645, 2626374, 3939561, 4377290, 5252748, 6565935, 7879122, 8754580, 13131870, 15758244, 19697805, 26263740, 39395610, 78791220]

約数ペア:

[(1, 78791220), (2, 39395610), (3, 26263740), (4, 19697805), (5, 15758244), (6, 13131870), (9, 8754580), (10, 7879122), (12, 6565935), (15, 5252748), (18, 4377290), (20, 3939561), (30, 2626374), (36, 2188645), (45, 1750916), (60, 1313187), (90, 875458), (180, 437729)]