1875000

素因数分解:

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

素因数の和:44

約数の個数: 64

約数和(自身を含む): 5859360

約数和(自身を除く): 3984360

約数列:

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

約数ペア:

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