3750000

素因数分解:

$2^4\times 3^1\times 5^7$

素因数の和:46

約数の個数: 80

約数和(自身を含む): 12109344

約数和(自身を除く): 8359344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 625, 750, 1000, 1200, 1250, 1500, 1875, 2000, 2500, 3000, 3125, 3750, 5000, 6000, 6250, 7500, 9375, 10000, 12500, 15000, 15625, 18750, 25000, 30000, 31250, 37500, 46875, 50000, 62500, 75000, 78125, 93750, 125000, 150000, 156250, 187500, 234375, 250000, 312500, 375000, 468750, 625000, 750000, 937500, 1250000, 1875000, 3750000]

約数ペア:

[(1, 3750000), (2, 1875000), (3, 1250000), (4, 937500), (5, 750000), (6, 625000), (8, 468750), (10, 375000), (12, 312500), (15, 250000), (16, 234375), (20, 187500), (24, 156250), (25, 150000), (30, 125000), (40, 93750), (48, 78125), (50, 75000), (60, 62500), (75, 50000), (80, 46875), (100, 37500), (120, 31250), (125, 30000), (150, 25000), (200, 18750), (240, 15625), (250, 15000), (300, 12500), (375, 10000), (400, 9375), (500, 7500), (600, 6250), (625, 6000), (750, 5000), (1000, 3750), (1200, 3125), (1250, 3000), (1500, 2500), (1875, 2000)]