1296000

素因数分解:

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

素因数の和:41

約数の個数: 160

約数和(自身を含む): 4813380

約数和(自身を除く): 3517380

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, 81, 90, 96, 100, 108, 120, 125, 128, 135, 144, 150, 160, 162, 180, 192, 200, 216, 225, 240, 250, 270, 288, 300, 320, 324, 360, 375, 384, 400, 405, 432, 450, 480, 500, 540, 576, 600, 640, 648, 675, 720, 750, 800, 810, 864, 900, 960, 1000, 1080, 1125, 1152, 1200, 1296, 1350, 1440, 1500, 1600, 1620, 1728, 1800, 1920, 2000, 2025, 2160, 2250, 2400, 2592, 2700, 2880, 3000, 3200, 3240, 3375, 3456, 3600, 4000, 4050, 4320, 4500, 4800, 5184, 5400, 5760, 6000, 6480, 6750, 7200, 8000, 8100, 8640, 9000, 9600, 10125, 10368, 10800, 12000, 12960, 13500, 14400, 16000, 16200, 17280, 18000, 20250, 21600, 24000, 25920, 27000, 28800, 32400, 36000, 40500, 43200, 48000, 51840, 54000, 64800, 72000, 81000, 86400, 108000, 129600, 144000, 162000, 216000, 259200, 324000, 432000, 648000, 1296000]

約数ペア:

[(1, 1296000), (2, 648000), (3, 432000), (4, 324000), (5, 259200), (6, 216000), (8, 162000), (9, 144000), (10, 129600), (12, 108000), (15, 86400), (16, 81000), (18, 72000), (20, 64800), (24, 54000), (25, 51840), (27, 48000), (30, 43200), (32, 40500), (36, 36000), (40, 32400), (45, 28800), (48, 27000), (50, 25920), (54, 24000), (60, 21600), (64, 20250), (72, 18000), (75, 17280), (80, 16200), (81, 16000), (90, 14400), (96, 13500), (100, 12960), (108, 12000), (120, 10800), (125, 10368), (128, 10125), (135, 9600), (144, 9000), (150, 8640), (160, 8100), (162, 8000), (180, 7200), (192, 6750), (200, 6480), (216, 6000), (225, 5760), (240, 5400), (250, 5184), (270, 4800), (288, 4500), (300, 4320), (320, 4050), (324, 4000), (360, 3600), (375, 3456), (384, 3375), (400, 3240), (405, 3200), (432, 3000), (450, 2880), (480, 2700), (500, 2592), (540, 2400), (576, 2250), (600, 2160), (640, 2025), (648, 2000), (675, 1920), (720, 1800), (750, 1728), (800, 1620), (810, 1600), (864, 1500), (900, 1440), (960, 1350), (1000, 1296), (1080, 1200), (1125, 1152)]