75000000

素因数分解:

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

素因数の和:55

約数の個数: 126

約数和(自身を含む): 248046748

約数和(自身を除く): 173046748

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, 78125, 93750, 100000, 120000, 125000, 150000, 156250, 187500, 200000, 234375, 250000, 300000, 312500, 375000, 390625, 468750, 500000, 600000, 625000, 750000, 781250, 937500, 1000000, 1171875, 1250000, 1500000, 1562500, 1875000, 2343750, 2500000, 3000000, 3125000, 3750000, 4687500, 5000000, 6250000, 7500000, 9375000, 12500000, 15000000, 18750000, 25000000, 37500000, 75000000]

約数ペア:

[(1, 75000000), (2, 37500000), (3, 25000000), (4, 18750000), (5, 15000000), (6, 12500000), (8, 9375000), (10, 7500000), (12, 6250000), (15, 5000000), (16, 4687500), (20, 3750000), (24, 3125000), (25, 3000000), (30, 2500000), (32, 2343750), (40, 1875000), (48, 1562500), (50, 1500000), (60, 1250000), (64, 1171875), (75, 1000000), (80, 937500), (96, 781250), (100, 750000), (120, 625000), (125, 600000), (150, 500000), (160, 468750), (192, 390625), (200, 375000), (240, 312500), (250, 300000), (300, 250000), (320, 234375), (375, 200000), (400, 187500), (480, 156250), (500, 150000), (600, 125000), (625, 120000), (750, 100000), (800, 93750), (960, 78125), (1000, 75000), (1200, 62500), (1250, 60000), (1500, 50000), (1600, 46875), (1875, 40000), (2000, 37500), (2400, 31250), (2500, 30000), (3000, 25000), (3125, 24000), (3750, 20000), (4000, 18750), (4800, 15625), (5000, 15000), (6000, 12500), (6250, 12000), (7500, 10000), (8000, 9375)]