12960000

素因数分解:

$2^8\times 3^4\times 5^4$

素因数の和:48

約数の個数: 225

約数和(自身を含む): 48290011

約数和(自身を除く): 35330011

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, 256, 270, 288, 300, 320, 324, 360, 375, 384, 400, 405, 432, 450, 480, 500, 540, 576, 600, 625, 640, 648, 675, 720, 750, 768, 800, 810, 864, 900, 960, 1000, 1080, 1125, 1152, 1200, 1250, 1280, 1296, 1350, 1440, 1500, 1600, 1620, 1728, 1800, 1875, 1920, 2000, 2025, 2160, 2250, 2304, 2400, 2500, 2592, 2700, 2880, 3000, 3200, 3240, 3375, 3456, 3600, 3750, 3840, 4000, 4050, 4320, 4500, 4800, 5000, 5184, 5400, 5625, 5760, 6000, 6400, 6480, 6750, 6912, 7200, 7500, 8000, 8100, 8640, 9000, 9600, 10000, 10125, 10368, 10800, 11250, 11520, 12000, 12960, 13500, 14400, 15000, 16000, 16200, 16875, 17280, 18000, 19200, 20000, 20250, 20736, 21600, 22500, 24000, 25920, 27000, 28800, 30000, 32000, 32400, 33750, 34560, 36000, 40000, 40500, 43200, 45000, 48000, 50625, 51840, 54000, 57600, 60000, 64800, 67500, 72000, 80000, 81000, 86400, 90000, 96000, 101250, 103680, 108000, 120000, 129600, 135000, 144000, 160000, 162000, 172800, 180000, 202500, 216000, 240000, 259200, 270000, 288000, 324000, 360000, 405000, 432000, 480000, 518400, 540000, 648000, 720000, 810000, 864000, 1080000, 1296000, 1440000, 1620000, 2160000, 2592000, 3240000, 4320000, 6480000, 12960000]

約数ペア:

[(1, 12960000), (2, 6480000), (3, 4320000), (4, 3240000), (5, 2592000), (6, 2160000), (8, 1620000), (9, 1440000), (10, 1296000), (12, 1080000), (15, 864000), (16, 810000), (18, 720000), (20, 648000), (24, 540000), (25, 518400), (27, 480000), (30, 432000), (32, 405000), (36, 360000), (40, 324000), (45, 288000), (48, 270000), (50, 259200), (54, 240000), (60, 216000), (64, 202500), (72, 180000), (75, 172800), (80, 162000), (81, 160000), (90, 144000), (96, 135000), (100, 129600), (108, 120000), (120, 108000), (125, 103680), (128, 101250), (135, 96000), (144, 90000), (150, 86400), (160, 81000), (162, 80000), (180, 72000), (192, 67500), (200, 64800), (216, 60000), (225, 57600), (240, 54000), (250, 51840), (256, 50625), (270, 48000), (288, 45000), (300, 43200), (320, 40500), (324, 40000), (360, 36000), (375, 34560), (384, 33750), (400, 32400), (405, 32000), (432, 30000), (450, 28800), (480, 27000), (500, 25920), (540, 24000), (576, 22500), (600, 21600), (625, 20736), (640, 20250), (648, 20000), (675, 19200), (720, 18000), (750, 17280), (768, 16875), (800, 16200), (810, 16000), (864, 15000), (900, 14400), (960, 13500), (1000, 12960), (1080, 12000), (1125, 11520), (1152, 11250), (1200, 10800), (1250, 10368), (1280, 10125), (1296, 10000), (1350, 9600), (1440, 9000), (1500, 8640), (1600, 8100), (1620, 8000), (1728, 7500), (1800, 7200), (1875, 6912), (1920, 6750), (2000, 6480), (2025, 6400), (2160, 6000), (2250, 5760), (2304, 5625), (2400, 5400), (2500, 5184), (2592, 5000), (2700, 4800), (2880, 4500), (3000, 4320), (3200, 4050), (3240, 4000), (3375, 3840), (3456, 3750)]