18918000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{1051}}^1$

素因数の和:1080

約数の個数: 120

約数和(自身を含む): 66137136

約数和(自身を除く): 47219136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 240, 250, 300, 360, 375, 400, 450, 500, 600, 720, 750, 900, 1000, 1051, 1125, 1200, 1500, 1800, 2000, 2102, 2250, 3000, 3153, 3600, 4204, 4500, 5255, 6000, 6306, 8408, 9000, 9459, 10510, 12612, 15765, 16816, 18000, 18918, 21020, 25224, 26275, 31530, 37836, 42040, 47295, 50448, 52550, 63060, 75672, 78825, 84080, 94590, 105100, 126120, 131375, 151344, 157650, 189180, 210200, 236475, 252240, 262750, 315300, 378360, 394125, 420400, 472950, 525500, 630600, 756720, 788250, 945900, 1051000, 1182375, 1261200, 1576500, 1891800, 2102000, 2364750, 3153000, 3783600, 4729500, 6306000, 9459000, 18918000]

約数ペア:

[(1, 18918000), (2, 9459000), (3, 6306000), (4, 4729500), (5, 3783600), (6, 3153000), (8, 2364750), (9, 2102000), (10, 1891800), (12, 1576500), (15, 1261200), (16, 1182375), (18, 1051000), (20, 945900), (24, 788250), (25, 756720), (30, 630600), (36, 525500), (40, 472950), (45, 420400), (48, 394125), (50, 378360), (60, 315300), (72, 262750), (75, 252240), (80, 236475), (90, 210200), (100, 189180), (120, 157650), (125, 151344), (144, 131375), (150, 126120), (180, 105100), (200, 94590), (225, 84080), (240, 78825), (250, 75672), (300, 63060), (360, 52550), (375, 50448), (400, 47295), (450, 42040), (500, 37836), (600, 31530), (720, 26275), (750, 25224), (900, 21020), (1000, 18918), (1051, 18000), (1125, 16816), (1200, 15765), (1500, 12612), (1800, 10510), (2000, 9459), (2102, 9000), (2250, 8408), (3000, 6306), (3153, 6000), (3600, 5255), (4204, 4500)]