42000000

素因数分解:

$2^7\times 3^1\times 5^6\times 7^1$

素因数の和:54

約数の個数: 224

約数和(自身を含む): 159372960

約数和(自身を除く): 117372960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 125, 128, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 250, 280, 300, 320, 336, 350, 375, 384, 400, 420, 448, 480, 500, 525, 560, 600, 625, 640, 672, 700, 750, 800, 840, 875, 896, 960, 1000, 1050, 1120, 1200, 1250, 1344, 1400, 1500, 1600, 1680, 1750, 1875, 1920, 2000, 2100, 2240, 2400, 2500, 2625, 2688, 2800, 3000, 3125, 3200, 3360, 3500, 3750, 4000, 4200, 4375, 4480, 4800, 5000, 5250, 5600, 6000, 6250, 6720, 7000, 7500, 8000, 8400, 8750, 9375, 9600, 10000, 10500, 11200, 12000, 12500, 13125, 13440, 14000, 15000, 15625, 16000, 16800, 17500, 18750, 20000, 21000, 21875, 22400, 24000, 25000, 26250, 28000, 30000, 31250, 33600, 35000, 37500, 40000, 42000, 43750, 46875, 48000, 50000, 52500, 56000, 60000, 62500, 65625, 67200, 70000, 75000, 80000, 84000, 87500, 93750, 100000, 105000, 109375, 112000, 120000, 125000, 131250, 140000, 150000, 168000, 175000, 187500, 200000, 210000, 218750, 240000, 250000, 262500, 280000, 300000, 328125, 336000, 350000, 375000, 400000, 420000, 437500, 500000, 525000, 560000, 600000, 656250, 700000, 750000, 840000, 875000, 1000000, 1050000, 1200000, 1312500, 1400000, 1500000, 1680000, 1750000, 2000000, 2100000, 2625000, 2800000, 3000000, 3500000, 4200000, 5250000, 6000000, 7000000, 8400000, 10500000, 14000000, 21000000, 42000000]

約数ペア:

[(1, 42000000), (2, 21000000), (3, 14000000), (4, 10500000), (5, 8400000), (6, 7000000), (7, 6000000), (8, 5250000), (10, 4200000), (12, 3500000), (14, 3000000), (15, 2800000), (16, 2625000), (20, 2100000), (21, 2000000), (24, 1750000), (25, 1680000), (28, 1500000), (30, 1400000), (32, 1312500), (35, 1200000), (40, 1050000), (42, 1000000), (48, 875000), (50, 840000), (56, 750000), (60, 700000), (64, 656250), (70, 600000), (75, 560000), (80, 525000), (84, 500000), (96, 437500), (100, 420000), (105, 400000), (112, 375000), (120, 350000), (125, 336000), (128, 328125), (140, 300000), (150, 280000), (160, 262500), (168, 250000), (175, 240000), (192, 218750), (200, 210000), (210, 200000), (224, 187500), (240, 175000), (250, 168000), (280, 150000), (300, 140000), (320, 131250), (336, 125000), (350, 120000), (375, 112000), (384, 109375), (400, 105000), (420, 100000), (448, 93750), (480, 87500), (500, 84000), (525, 80000), (560, 75000), (600, 70000), (625, 67200), (640, 65625), (672, 62500), (700, 60000), (750, 56000), (800, 52500), (840, 50000), (875, 48000), (896, 46875), (960, 43750), (1000, 42000), (1050, 40000), (1120, 37500), (1200, 35000), (1250, 33600), (1344, 31250), (1400, 30000), (1500, 28000), (1600, 26250), (1680, 25000), (1750, 24000), (1875, 22400), (1920, 21875), (2000, 21000), (2100, 20000), (2240, 18750), (2400, 17500), (2500, 16800), (2625, 16000), (2688, 15625), (2800, 15000), (3000, 14000), (3125, 13440), (3200, 13125), (3360, 12500), (3500, 12000), (3750, 11200), (4000, 10500), (4200, 10000), (4375, 9600), (4480, 9375), (4800, 8750), (5000, 8400), (5250, 8000), (5600, 7500), (6000, 7000), (6250, 6720)]