15680000

素因数分解:

$2^9\times 5^4\times 7^2$

素因数の和:52

約数の個数: 150

約数和(自身を含む): 45540891

約数和(自身を除く): 29860891

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 128, 140, 160, 175, 196, 200, 224, 245, 250, 256, 280, 320, 350, 392, 400, 448, 490, 500, 512, 560, 625, 640, 700, 784, 800, 875, 896, 980, 1000, 1120, 1225, 1250, 1280, 1400, 1568, 1600, 1750, 1792, 1960, 2000, 2240, 2450, 2500, 2560, 2800, 3136, 3200, 3500, 3584, 3920, 4000, 4375, 4480, 4900, 5000, 5600, 6125, 6272, 6400, 7000, 7840, 8000, 8750, 8960, 9800, 10000, 11200, 12250, 12544, 12800, 14000, 15680, 16000, 17500, 17920, 19600, 20000, 22400, 24500, 25088, 28000, 30625, 31360, 32000, 35000, 39200, 40000, 44800, 49000, 56000, 61250, 62720, 64000, 70000, 78400, 80000, 89600, 98000, 112000, 122500, 125440, 140000, 156800, 160000, 196000, 224000, 245000, 280000, 313600, 320000, 392000, 448000, 490000, 560000, 627200, 784000, 980000, 1120000, 1568000, 1960000, 2240000, 3136000, 3920000, 7840000, 15680000]

約数ペア:

[(1, 15680000), (2, 7840000), (4, 3920000), (5, 3136000), (7, 2240000), (8, 1960000), (10, 1568000), (14, 1120000), (16, 980000), (20, 784000), (25, 627200), (28, 560000), (32, 490000), (35, 448000), (40, 392000), (49, 320000), (50, 313600), (56, 280000), (64, 245000), (70, 224000), (80, 196000), (98, 160000), (100, 156800), (112, 140000), (125, 125440), (128, 122500), (140, 112000), (160, 98000), (175, 89600), (196, 80000), (200, 78400), (224, 70000), (245, 64000), (250, 62720), (256, 61250), (280, 56000), (320, 49000), (350, 44800), (392, 40000), (400, 39200), (448, 35000), (490, 32000), (500, 31360), (512, 30625), (560, 28000), (625, 25088), (640, 24500), (700, 22400), (784, 20000), (800, 19600), (875, 17920), (896, 17500), (980, 16000), (1000, 15680), (1120, 14000), (1225, 12800), (1250, 12544), (1280, 12250), (1400, 11200), (1568, 10000), (1600, 9800), (1750, 8960), (1792, 8750), (1960, 8000), (2000, 7840), (2240, 7000), (2450, 6400), (2500, 6272), (2560, 6125), (2800, 5600), (3136, 5000), (3200, 4900), (3500, 4480), (3584, 4375), (3920, 4000)]