12000000

素因数分解:

$2^8\times 3^1\times 5^6$

素因数の和:49

約数の個数: 126

約数和(自身を含む): 39921364

約数和(自身を除く): 27921364

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, 256, 300, 320, 375, 384, 400, 480, 500, 600, 625, 640, 750, 768, 800, 960, 1000, 1200, 1250, 1280, 1500, 1600, 1875, 1920, 2000, 2400, 2500, 3000, 3125, 3200, 3750, 3840, 4000, 4800, 5000, 6000, 6250, 6400, 7500, 8000, 9375, 9600, 10000, 12000, 12500, 15000, 15625, 16000, 18750, 19200, 20000, 24000, 25000, 30000, 31250, 32000, 37500, 40000, 46875, 48000, 50000, 60000, 62500, 75000, 80000, 93750, 96000, 100000, 120000, 125000, 150000, 160000, 187500, 200000, 240000, 250000, 300000, 375000, 400000, 480000, 500000, 600000, 750000, 800000, 1000000, 1200000, 1500000, 2000000, 2400000, 3000000, 4000000, 6000000, 12000000]

約数ペア:

[(1, 12000000), (2, 6000000), (3, 4000000), (4, 3000000), (5, 2400000), (6, 2000000), (8, 1500000), (10, 1200000), (12, 1000000), (15, 800000), (16, 750000), (20, 600000), (24, 500000), (25, 480000), (30, 400000), (32, 375000), (40, 300000), (48, 250000), (50, 240000), (60, 200000), (64, 187500), (75, 160000), (80, 150000), (96, 125000), (100, 120000), (120, 100000), (125, 96000), (128, 93750), (150, 80000), (160, 75000), (192, 62500), (200, 60000), (240, 50000), (250, 48000), (256, 46875), (300, 40000), (320, 37500), (375, 32000), (384, 31250), (400, 30000), (480, 25000), (500, 24000), (600, 20000), (625, 19200), (640, 18750), (750, 16000), (768, 15625), (800, 15000), (960, 12500), (1000, 12000), (1200, 10000), (1250, 9600), (1280, 9375), (1500, 8000), (1600, 7500), (1875, 6400), (1920, 6250), (2000, 6000), (2400, 5000), (2500, 4800), (3000, 4000), (3125, 3840), (3200, 3750)]