28800000

素因数分解:

$2^{10}\times 3^2\times 5^5$

素因数の和:51

約数の個数: 198

約数和(自身を含む): 103942566

約数和(自身を除く): 75142566

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, 144, 150, 160, 180, 192, 200, 225, 240, 250, 256, 288, 300, 320, 360, 375, 384, 400, 450, 480, 500, 512, 576, 600, 625, 640, 720, 750, 768, 800, 900, 960, 1000, 1024, 1125, 1152, 1200, 1250, 1280, 1440, 1500, 1536, 1600, 1800, 1875, 1920, 2000, 2250, 2304, 2400, 2500, 2560, 2880, 3000, 3072, 3125, 3200, 3600, 3750, 3840, 4000, 4500, 4608, 4800, 5000, 5120, 5625, 5760, 6000, 6250, 6400, 7200, 7500, 7680, 8000, 9000, 9216, 9375, 9600, 10000, 11250, 11520, 12000, 12500, 12800, 14400, 15000, 15360, 16000, 18000, 18750, 19200, 20000, 22500, 23040, 24000, 25000, 25600, 28125, 28800, 30000, 32000, 36000, 37500, 38400, 40000, 45000, 46080, 48000, 50000, 56250, 57600, 60000, 64000, 72000, 75000, 76800, 80000, 90000, 96000, 100000, 112500, 115200, 120000, 128000, 144000, 150000, 160000, 180000, 192000, 200000, 225000, 230400, 240000, 288000, 300000, 320000, 360000, 384000, 400000, 450000, 480000, 576000, 600000, 640000, 720000, 800000, 900000, 960000, 1152000, 1200000, 1440000, 1600000, 1800000, 1920000, 2400000, 2880000, 3200000, 3600000, 4800000, 5760000, 7200000, 9600000, 14400000, 28800000]

約数ペア:

[(1, 28800000), (2, 14400000), (3, 9600000), (4, 7200000), (5, 5760000), (6, 4800000), (8, 3600000), (9, 3200000), (10, 2880000), (12, 2400000), (15, 1920000), (16, 1800000), (18, 1600000), (20, 1440000), (24, 1200000), (25, 1152000), (30, 960000), (32, 900000), (36, 800000), (40, 720000), (45, 640000), (48, 600000), (50, 576000), (60, 480000), (64, 450000), (72, 400000), (75, 384000), (80, 360000), (90, 320000), (96, 300000), (100, 288000), (120, 240000), (125, 230400), (128, 225000), (144, 200000), (150, 192000), (160, 180000), (180, 160000), (192, 150000), (200, 144000), (225, 128000), (240, 120000), (250, 115200), (256, 112500), (288, 100000), (300, 96000), (320, 90000), (360, 80000), (375, 76800), (384, 75000), (400, 72000), (450, 64000), (480, 60000), (500, 57600), (512, 56250), (576, 50000), (600, 48000), (625, 46080), (640, 45000), (720, 40000), (750, 38400), (768, 37500), (800, 36000), (900, 32000), (960, 30000), (1000, 28800), (1024, 28125), (1125, 25600), (1152, 25000), (1200, 24000), (1250, 23040), (1280, 22500), (1440, 20000), (1500, 19200), (1536, 18750), (1600, 18000), (1800, 16000), (1875, 15360), (1920, 15000), (2000, 14400), (2250, 12800), (2304, 12500), (2400, 12000), (2500, 11520), (2560, 11250), (2880, 10000), (3000, 9600), (3072, 9375), (3125, 9216), (3200, 9000), (3600, 8000), (3750, 7680), (3840, 7500), (4000, 7200), (4500, 6400), (4608, 6250), (4800, 6000), (5000, 5760), (5120, 5625)]