81067860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450377}}^1$

素因数の和:450392

約数の個数: 36

約数和(自身を含む): 245906388

約数和(自身を除く): 164838528

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450377, 900754, 1351131, 1801508, 2251885, 2702262, 4053393, 4503770, 5404524, 6755655, 8106786, 9007540, 13511310, 16213572, 20266965, 27022620, 40533930, 81067860]

約数ペア:

[(1, 81067860), (2, 40533930), (3, 27022620), (4, 20266965), (5, 16213572), (6, 13511310), (9, 9007540), (10, 8106786), (12, 6755655), (15, 5404524), (18, 4503770), (20, 4053393), (30, 2702262), (36, 2251885), (45, 1801508), (60, 1351131), (90, 900754), (180, 450377)]