150000000

素因数分解:

$2^7\times 3^1\times 5^8$

素因数の和:57

約数の個数: 144

約数和(自身を含む): 498046620

約数和(自身を除く): 348046620

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, 300, 320, 375, 384, 400, 480, 500, 600, 625, 640, 750, 800, 960, 1000, 1200, 1250, 1500, 1600, 1875, 1920, 2000, 2400, 2500, 3000, 3125, 3200, 3750, 4000, 4800, 5000, 6000, 6250, 7500, 8000, 9375, 9600, 10000, 12000, 12500, 15000, 15625, 16000, 18750, 20000, 24000, 25000, 30000, 31250, 37500, 40000, 46875, 48000, 50000, 60000, 62500, 75000, 78125, 80000, 93750, 100000, 120000, 125000, 150000, 156250, 187500, 200000, 234375, 240000, 250000, 300000, 312500, 375000, 390625, 400000, 468750, 500000, 600000, 625000, 750000, 781250, 937500, 1000000, 1171875, 1200000, 1250000, 1500000, 1562500, 1875000, 2000000, 2343750, 2500000, 3000000, 3125000, 3750000, 4687500, 5000000, 6000000, 6250000, 7500000, 9375000, 10000000, 12500000, 15000000, 18750000, 25000000, 30000000, 37500000, 50000000, 75000000, 150000000]

約数ペア:

[(1, 150000000), (2, 75000000), (3, 50000000), (4, 37500000), (5, 30000000), (6, 25000000), (8, 18750000), (10, 15000000), (12, 12500000), (15, 10000000), (16, 9375000), (20, 7500000), (24, 6250000), (25, 6000000), (30, 5000000), (32, 4687500), (40, 3750000), (48, 3125000), (50, 3000000), (60, 2500000), (64, 2343750), (75, 2000000), (80, 1875000), (96, 1562500), (100, 1500000), (120, 1250000), (125, 1200000), (128, 1171875), (150, 1000000), (160, 937500), (192, 781250), (200, 750000), (240, 625000), (250, 600000), (300, 500000), (320, 468750), (375, 400000), (384, 390625), (400, 375000), (480, 312500), (500, 300000), (600, 250000), (625, 240000), (640, 234375), (750, 200000), (800, 187500), (960, 156250), (1000, 150000), (1200, 125000), (1250, 120000), (1500, 100000), (1600, 93750), (1875, 80000), (1920, 78125), (2000, 75000), (2400, 62500), (2500, 60000), (3000, 50000), (3125, 48000), (3200, 46875), (3750, 40000), (4000, 37500), (4800, 31250), (5000, 30000), (6000, 25000), (6250, 24000), (7500, 20000), (8000, 18750), (9375, 16000), (9600, 15625), (10000, 15000), (12000, 12500)]