870000000

素因数分解:

$2^7\times 3^1\times 5^7\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 256

約数和(自身を含む): 2988273600

約数和(自身を除く): 2118273600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 29, 30, 32, 40, 48, 50, 58, 60, 64, 75, 80, 87, 96, 100, 116, 120, 125, 128, 145, 150, 160, 174, 192, 200, 232, 240, 250, 290, 300, 320, 348, 375, 384, 400, 435, 464, 480, 500, 580, 600, 625, 640, 696, 725, 750, 800, 870, 928, 960, 1000, 1160, 1200, 1250, 1392, 1450, 1500, 1600, 1740, 1856, 1875, 1920, 2000, 2175, 2320, 2400, 2500, 2784, 2900, 3000, 3125, 3200, 3480, 3625, 3712, 3750, 4000, 4350, 4640, 4800, 5000, 5568, 5800, 6000, 6250, 6960, 7250, 7500, 8000, 8700, 9280, 9375, 9600, 10000, 10875, 11136, 11600, 12000, 12500, 13920, 14500, 15000, 15625, 16000, 17400, 18125, 18560, 18750, 20000, 21750, 23200, 24000, 25000, 27840, 29000, 30000, 31250, 34800, 36250, 37500, 40000, 43500, 46400, 46875, 48000, 50000, 54375, 55680, 58000, 60000, 62500, 69600, 72500, 75000, 78125, 80000, 87000, 90625, 92800, 93750, 100000, 108750, 116000, 120000, 125000, 139200, 145000, 150000, 156250, 174000, 181250, 187500, 200000, 217500, 232000, 234375, 240000, 250000, 271875, 278400, 290000, 300000, 312500, 348000, 362500, 375000, 400000, 435000, 453125, 464000, 468750, 500000, 543750, 580000, 600000, 625000, 696000, 725000, 750000, 870000, 906250, 937500, 1000000, 1087500, 1160000, 1200000, 1250000, 1359375, 1392000, 1450000, 1500000, 1740000, 1812500, 1875000, 2000000, 2175000, 2265625, 2320000, 2500000, 2718750, 2900000, 3000000, 3480000, 3625000, 3750000, 4350000, 4531250, 5000000, 5437500, 5800000, 6000000, 6796875, 6960000, 7250000, 7500000, 8700000, 9062500, 10000000, 10875000, 11600000, 13593750, 14500000, 15000000, 17400000, 18125000, 21750000, 27187500, 29000000, 30000000, 34800000, 36250000, 43500000, 54375000, 58000000, 72500000, 87000000, 108750000, 145000000, 174000000, 217500000, 290000000, 435000000, 870000000]

約数ペア:

[(1, 870000000), (2, 435000000), (3, 290000000), (4, 217500000), (5, 174000000), (6, 145000000), (8, 108750000), (10, 87000000), (12, 72500000), (15, 58000000), (16, 54375000), (20, 43500000), (24, 36250000), (25, 34800000), (29, 30000000), (30, 29000000), (32, 27187500), (40, 21750000), (48, 18125000), (50, 17400000), (58, 15000000), (60, 14500000), (64, 13593750), (75, 11600000), (80, 10875000), (87, 10000000), (96, 9062500), (100, 8700000), (116, 7500000), (120, 7250000), (125, 6960000), (128, 6796875), (145, 6000000), (150, 5800000), (160, 5437500), (174, 5000000), (192, 4531250), (200, 4350000), (232, 3750000), (240, 3625000), (250, 3480000), (290, 3000000), (300, 2900000), (320, 2718750), (348, 2500000), (375, 2320000), (384, 2265625), (400, 2175000), (435, 2000000), (464, 1875000), (480, 1812500), (500, 1740000), (580, 1500000), (600, 1450000), (625, 1392000), (640, 1359375), (696, 1250000), (725, 1200000), (750, 1160000), (800, 1087500), (870, 1000000), (928, 937500), (960, 906250), (1000, 870000), (1160, 750000), (1200, 725000), (1250, 696000), (1392, 625000), (1450, 600000), (1500, 580000), (1600, 543750), (1740, 500000), (1856, 468750), (1875, 464000), (1920, 453125), (2000, 435000), (2175, 400000), (2320, 375000), (2400, 362500), (2500, 348000), (2784, 312500), (2900, 300000), (3000, 290000), (3125, 278400), (3200, 271875), (3480, 250000), (3625, 240000), (3712, 234375), (3750, 232000), (4000, 217500), (4350, 200000), (4640, 187500), (4800, 181250), (5000, 174000), (5568, 156250), (5800, 150000), (6000, 145000), (6250, 139200), (6960, 125000), (7250, 120000), (7500, 116000), (8000, 108750), (8700, 100000), (9280, 93750), (9375, 92800), (9600, 90625), (10000, 87000), (10875, 80000), (11136, 78125), (11600, 75000), (12000, 72500), (12500, 69600), (13920, 62500), (14500, 60000), (15000, 58000), (15625, 55680), (16000, 54375), (17400, 50000), (18125, 48000), (18560, 46875), (18750, 46400), (20000, 43500), (21750, 40000), (23200, 37500), (24000, 36250), (25000, 34800), (27840, 31250), (29000, 30000)]