19728000

素因数分解:

$2^7\times 3^2\times 5^3\times {\mathrm{137}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 71365320

約数和(自身を除く): 51637320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 125, 128, 137, 144, 150, 160, 180, 192, 200, 225, 240, 250, 274, 288, 300, 320, 360, 375, 384, 400, 411, 450, 480, 500, 548, 576, 600, 640, 685, 720, 750, 800, 822, 900, 960, 1000, 1096, 1125, 1152, 1200, 1233, 1370, 1440, 1500, 1600, 1644, 1800, 1920, 2000, 2055, 2192, 2250, 2400, 2466, 2740, 2880, 3000, 3200, 3288, 3425, 3600, 4000, 4110, 4384, 4500, 4800, 4932, 5480, 5760, 6000, 6165, 6576, 6850, 7200, 8000, 8220, 8768, 9000, 9600, 9864, 10275, 10960, 12000, 12330, 13152, 13700, 14400, 16000, 16440, 17125, 17536, 18000, 19728, 20550, 21920, 24000, 24660, 26304, 27400, 28800, 30825, 32880, 34250, 36000, 39456, 41100, 43840, 48000, 49320, 51375, 52608, 54800, 61650, 65760, 68500, 72000, 78912, 82200, 87680, 98640, 102750, 109600, 123300, 131520, 137000, 144000, 154125, 157824, 164400, 197280, 205500, 219200, 246600, 263040, 274000, 308250, 328800, 394560, 411000, 438400, 493200, 548000, 616500, 657600, 789120, 822000, 986400, 1096000, 1233000, 1315200, 1644000, 1972800, 2192000, 2466000, 3288000, 3945600, 4932000, 6576000, 9864000, 19728000]

約数ペア:

[(1, 19728000), (2, 9864000), (3, 6576000), (4, 4932000), (5, 3945600), (6, 3288000), (8, 2466000), (9, 2192000), (10, 1972800), (12, 1644000), (15, 1315200), (16, 1233000), (18, 1096000), (20, 986400), (24, 822000), (25, 789120), (30, 657600), (32, 616500), (36, 548000), (40, 493200), (45, 438400), (48, 411000), (50, 394560), (60, 328800), (64, 308250), (72, 274000), (75, 263040), (80, 246600), (90, 219200), (96, 205500), (100, 197280), (120, 164400), (125, 157824), (128, 154125), (137, 144000), (144, 137000), (150, 131520), (160, 123300), (180, 109600), (192, 102750), (200, 98640), (225, 87680), (240, 82200), (250, 78912), (274, 72000), (288, 68500), (300, 65760), (320, 61650), (360, 54800), (375, 52608), (384, 51375), (400, 49320), (411, 48000), (450, 43840), (480, 41100), (500, 39456), (548, 36000), (576, 34250), (600, 32880), (640, 30825), (685, 28800), (720, 27400), (750, 26304), (800, 24660), (822, 24000), (900, 21920), (960, 20550), (1000, 19728), (1096, 18000), (1125, 17536), (1152, 17125), (1200, 16440), (1233, 16000), (1370, 14400), (1440, 13700), (1500, 13152), (1600, 12330), (1644, 12000), (1800, 10960), (1920, 10275), (2000, 9864), (2055, 9600), (2192, 9000), (2250, 8768), (2400, 8220), (2466, 8000), (2740, 7200), (2880, 6850), (3000, 6576), (3200, 6165), (3288, 6000), (3425, 5760), (3600, 5480), (4000, 4932), (4110, 4800), (4384, 4500)]