1200000

素因数分解:

$2^7\times 3^1\times 5^5$

素因数の和:42

約数の個数: 96

約数和(自身を含む): 3984120

約数和(自身を除く): 2784120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 128, 150, 160, 192, 200, 240, 250, 300, 320, 375, 384, 400, 480, 500, 600, 625, 640, 750, 800, 960, 1000, 1200, 1250, 1500, 1600, 1875, 1920, 2000, 2400, 2500, 3000, 3125, 3200, 3750, 4000, 4800, 5000, 6000, 6250, 7500, 8000, 9375, 9600, 10000, 12000, 12500, 15000, 16000, 18750, 20000, 24000, 25000, 30000, 37500, 40000, 48000, 50000, 60000, 75000, 80000, 100000, 120000, 150000, 200000, 240000, 300000, 400000, 600000, 1200000]

約数ペア:

[(1, 1200000), (2, 600000), (3, 400000), (4, 300000), (5, 240000), (6, 200000), (8, 150000), (10, 120000), (12, 100000), (15, 80000), (16, 75000), (20, 60000), (24, 50000), (25, 48000), (30, 40000), (32, 37500), (40, 30000), (48, 25000), (50, 24000), (60, 20000), (64, 18750), (75, 16000), (80, 15000), (96, 12500), (100, 12000), (120, 10000), (125, 9600), (128, 9375), (150, 8000), (160, 7500), (192, 6250), (200, 6000), (240, 5000), (250, 4800), (300, 4000), (320, 3750), (375, 3200), (384, 3125), (400, 3000), (480, 2500), (500, 2400), (600, 2000), (625, 1920), (640, 1875), (750, 1600), (800, 1500), (960, 1250), (1000, 1200)]