81211500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{18047}}^1$

素因数の和:18072

約数の個数: 72

約数和(自身を含む): 256209408

約数和(自身を除く): 174997908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 18047, 36094, 54141, 72188, 90235, 108282, 162423, 180470, 216564, 270705, 324846, 360940, 451175, 541410, 649692, 812115, 902350, 1082820, 1353525, 1624230, 1804700, 2255875, 2707050, 3248460, 4060575, 4511750, 5414100, 6767625, 8121150, 9023500, 13535250, 16242300, 20302875, 27070500, 40605750, 81211500]

約数ペア:

[(1, 81211500), (2, 40605750), (3, 27070500), (4, 20302875), (5, 16242300), (6, 13535250), (9, 9023500), (10, 8121150), (12, 6767625), (15, 5414100), (18, 4511750), (20, 4060575), (25, 3248460), (30, 2707050), (36, 2255875), (45, 1804700), (50, 1624230), (60, 1353525), (75, 1082820), (90, 902350), (100, 812115), (125, 649692), (150, 541410), (180, 451175), (225, 360940), (250, 324846), (300, 270705), (375, 216564), (450, 180470), (500, 162423), (750, 108282), (900, 90235), (1125, 72188), (1500, 54141), (2250, 36094), (4500, 18047)]