2880000

素因数分解:

$2^9\times 3^2\times 5^4$

素因数の和:44

約数の個数: 150

約数和(自身を含む): 10386519

約数和(自身を除く): 7506519

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, 1125, 1152, 1200, 1250, 1280, 1440, 1500, 1536, 1600, 1800, 1875, 1920, 2000, 2250, 2304, 2400, 2500, 2560, 2880, 3000, 3200, 3600, 3750, 3840, 4000, 4500, 4608, 4800, 5000, 5625, 5760, 6000, 6400, 7200, 7500, 7680, 8000, 9000, 9600, 10000, 11250, 11520, 12000, 12800, 14400, 15000, 16000, 18000, 19200, 20000, 22500, 23040, 24000, 28800, 30000, 32000, 36000, 38400, 40000, 45000, 48000, 57600, 60000, 64000, 72000, 80000, 90000, 96000, 115200, 120000, 144000, 160000, 180000, 192000, 240000, 288000, 320000, 360000, 480000, 576000, 720000, 960000, 1440000, 2880000]

約数ペア:

[(1, 2880000), (2, 1440000), (3, 960000), (4, 720000), (5, 576000), (6, 480000), (8, 360000), (9, 320000), (10, 288000), (12, 240000), (15, 192000), (16, 180000), (18, 160000), (20, 144000), (24, 120000), (25, 115200), (30, 96000), (32, 90000), (36, 80000), (40, 72000), (45, 64000), (48, 60000), (50, 57600), (60, 48000), (64, 45000), (72, 40000), (75, 38400), (80, 36000), (90, 32000), (96, 30000), (100, 28800), (120, 24000), (125, 23040), (128, 22500), (144, 20000), (150, 19200), (160, 18000), (180, 16000), (192, 15000), (200, 14400), (225, 12800), (240, 12000), (250, 11520), (256, 11250), (288, 10000), (300, 9600), (320, 9000), (360, 8000), (375, 7680), (384, 7500), (400, 7200), (450, 6400), (480, 6000), (500, 5760), (512, 5625), (576, 5000), (600, 4800), (625, 4608), (640, 4500), (720, 4000), (750, 3840), (768, 3750), (800, 3600), (900, 3200), (960, 3000), (1000, 2880), (1125, 2560), (1152, 2500), (1200, 2400), (1250, 2304), (1280, 2250), (1440, 2000), (1500, 1920), (1536, 1875), (1600, 1800)]