2160000

素因数分解:

$2^7\times 3^3\times 5^4$

素因数の和:43

約数の個数: 160

約数和(自身を含む): 7966200

約数和(自身を除く): 5806200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 125, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 250, 270, 288, 300, 320, 360, 375, 384, 400, 432, 450, 480, 500, 540, 576, 600, 625, 640, 675, 720, 750, 800, 864, 900, 960, 1000, 1080, 1125, 1152, 1200, 1250, 1350, 1440, 1500, 1600, 1728, 1800, 1875, 1920, 2000, 2160, 2250, 2400, 2500, 2700, 2880, 3000, 3200, 3375, 3456, 3600, 3750, 4000, 4320, 4500, 4800, 5000, 5400, 5625, 5760, 6000, 6750, 7200, 7500, 8000, 8640, 9000, 9600, 10000, 10800, 11250, 12000, 13500, 14400, 15000, 16000, 16875, 17280, 18000, 20000, 21600, 22500, 24000, 27000, 28800, 30000, 33750, 36000, 40000, 43200, 45000, 48000, 54000, 60000, 67500, 72000, 80000, 86400, 90000, 108000, 120000, 135000, 144000, 180000, 216000, 240000, 270000, 360000, 432000, 540000, 720000, 1080000, 2160000]

約数ペア:

[(1, 2160000), (2, 1080000), (3, 720000), (4, 540000), (5, 432000), (6, 360000), (8, 270000), (9, 240000), (10, 216000), (12, 180000), (15, 144000), (16, 135000), (18, 120000), (20, 108000), (24, 90000), (25, 86400), (27, 80000), (30, 72000), (32, 67500), (36, 60000), (40, 54000), (45, 48000), (48, 45000), (50, 43200), (54, 40000), (60, 36000), (64, 33750), (72, 30000), (75, 28800), (80, 27000), (90, 24000), (96, 22500), (100, 21600), (108, 20000), (120, 18000), (125, 17280), (128, 16875), (135, 16000), (144, 15000), (150, 14400), (160, 13500), (180, 12000), (192, 11250), (200, 10800), (216, 10000), (225, 9600), (240, 9000), (250, 8640), (270, 8000), (288, 7500), (300, 7200), (320, 6750), (360, 6000), (375, 5760), (384, 5625), (400, 5400), (432, 5000), (450, 4800), (480, 4500), (500, 4320), (540, 4000), (576, 3750), (600, 3600), (625, 3456), (640, 3375), (675, 3200), (720, 3000), (750, 2880), (800, 2700), (864, 2500), (900, 2400), (960, 2250), (1000, 2160), (1080, 2000), (1125, 1920), (1152, 1875), (1200, 1800), (1250, 1728), (1350, 1600), (1440, 1500)]