1728000

素因数分解:

$2^9\times 3^3\times 5^3$

素因数の和:42

約数の個数: 160

約数和(自身を含む): 6383520

約数和(自身を除く): 4655520

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, 256, 270, 288, 300, 320, 360, 375, 384, 400, 432, 450, 480, 500, 512, 540, 576, 600, 640, 675, 720, 750, 768, 800, 864, 900, 960, 1000, 1080, 1125, 1152, 1200, 1280, 1350, 1440, 1500, 1536, 1600, 1728, 1800, 1920, 2000, 2160, 2250, 2304, 2400, 2560, 2700, 2880, 3000, 3200, 3375, 3456, 3600, 3840, 4000, 4320, 4500, 4608, 4800, 5400, 5760, 6000, 6400, 6750, 6912, 7200, 7680, 8000, 8640, 9000, 9600, 10800, 11520, 12000, 12800, 13500, 13824, 14400, 16000, 17280, 18000, 19200, 21600, 23040, 24000, 27000, 28800, 32000, 34560, 36000, 38400, 43200, 48000, 54000, 57600, 64000, 69120, 72000, 86400, 96000, 108000, 115200, 144000, 172800, 192000, 216000, 288000, 345600, 432000, 576000, 864000, 1728000]

約数ペア:

[(1, 1728000), (2, 864000), (3, 576000), (4, 432000), (5, 345600), (6, 288000), (8, 216000), (9, 192000), (10, 172800), (12, 144000), (15, 115200), (16, 108000), (18, 96000), (20, 86400), (24, 72000), (25, 69120), (27, 64000), (30, 57600), (32, 54000), (36, 48000), (40, 43200), (45, 38400), (48, 36000), (50, 34560), (54, 32000), (60, 28800), (64, 27000), (72, 24000), (75, 23040), (80, 21600), (90, 19200), (96, 18000), (100, 17280), (108, 16000), (120, 14400), (125, 13824), (128, 13500), (135, 12800), (144, 12000), (150, 11520), (160, 10800), (180, 9600), (192, 9000), (200, 8640), (216, 8000), (225, 7680), (240, 7200), (250, 6912), (256, 6750), (270, 6400), (288, 6000), (300, 5760), (320, 5400), (360, 4800), (375, 4608), (384, 4500), (400, 4320), (432, 4000), (450, 3840), (480, 3600), (500, 3456), (512, 3375), (540, 3200), (576, 3000), (600, 2880), (640, 2700), (675, 2560), (720, 2400), (750, 2304), (768, 2250), (800, 2160), (864, 2000), (900, 1920), (960, 1800), (1000, 1728), (1080, 1600), (1125, 1536), (1152, 1500), (1200, 1440), (1280, 1350)]