80902620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449459}}^1$

素因数の和:449474

約数の個数: 36

約数和(自身を含む): 245405160

約数和(自身を除く): 164502540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449459, 898918, 1348377, 1797836, 2247295, 2696754, 4045131, 4494590, 5393508, 6741885, 8090262, 8989180, 13483770, 16180524, 20225655, 26967540, 40451310, 80902620]

約数ペア:

[(1, 80902620), (2, 40451310), (3, 26967540), (4, 20225655), (5, 16180524), (6, 13483770), (9, 8989180), (10, 8090262), (12, 6741885), (15, 5393508), (18, 4494590), (20, 4045131), (30, 2696754), (36, 2247295), (45, 1797836), (60, 1348377), (90, 898918), (180, 449459)]