131567220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{243643}}^1$

素因数の和:243661

約数の個数: 48

約数和(自身を含む): 409321920

約数和(自身を除く): 277754700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 243643, 487286, 730929, 974572, 1218215, 1461858, 2192787, 2436430, 2923716, 3654645, 4385574, 4872860, 6578361, 7309290, 8771148, 10963935, 13156722, 14618580, 21927870, 26313444, 32891805, 43855740, 65783610, 131567220]

約数ペア:

[(1, 131567220), (2, 65783610), (3, 43855740), (4, 32891805), (5, 26313444), (6, 21927870), (9, 14618580), (10, 13156722), (12, 10963935), (15, 8771148), (18, 7309290), (20, 6578361), (27, 4872860), (30, 4385574), (36, 3654645), (45, 2923716), (54, 2436430), (60, 2192787), (90, 1461858), (108, 1218215), (135, 974572), (180, 730929), (270, 487286), (540, 243643)]