3000000

素因数分解:

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

素因数の和:45

約数の個数: 98

約数和(自身を含む): 9921748

約数和(自身を除く): 6921748

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, 150, 160, 192, 200, 240, 250, 300, 320, 375, 400, 480, 500, 600, 625, 750, 800, 960, 1000, 1200, 1250, 1500, 1600, 1875, 2000, 2400, 2500, 3000, 3125, 3750, 4000, 4800, 5000, 6000, 6250, 7500, 8000, 9375, 10000, 12000, 12500, 15000, 15625, 18750, 20000, 24000, 25000, 30000, 31250, 37500, 40000, 46875, 50000, 60000, 62500, 75000, 93750, 100000, 120000, 125000, 150000, 187500, 200000, 250000, 300000, 375000, 500000, 600000, 750000, 1000000, 1500000, 3000000]

約数ペア:

[(1, 3000000), (2, 1500000), (3, 1000000), (4, 750000), (5, 600000), (6, 500000), (8, 375000), (10, 300000), (12, 250000), (15, 200000), (16, 187500), (20, 150000), (24, 125000), (25, 120000), (30, 100000), (32, 93750), (40, 75000), (48, 62500), (50, 60000), (60, 50000), (64, 46875), (75, 40000), (80, 37500), (96, 31250), (100, 30000), (120, 25000), (125, 24000), (150, 20000), (160, 18750), (192, 15625), (200, 15000), (240, 12500), (250, 12000), (300, 10000), (320, 9375), (375, 8000), (400, 7500), (480, 6250), (500, 6000), (600, 5000), (625, 4800), (750, 4000), (800, 3750), (960, 3125), (1000, 3000), (1200, 2500), (1250, 2400), (1500, 2000), (1600, 1875)]