81242550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{180539}}^1$

素因数の和:180557

約数の個数: 36

約数和(自身を含む): 218272860

約数和(自身を除く): 137030310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 180539, 361078, 541617, 902695, 1083234, 1624851, 1805390, 2708085, 3249702, 4513475, 5416170, 8124255, 9026950, 13540425, 16248510, 27080850, 40621275, 81242550]

約数ペア:

[(1, 81242550), (2, 40621275), (3, 27080850), (5, 16248510), (6, 13540425), (9, 9026950), (10, 8124255), (15, 5416170), (18, 4513475), (25, 3249702), (30, 2708085), (45, 1805390), (50, 1624851), (75, 1083234), (90, 902695), (150, 541617), (225, 361078), (450, 180539)]