71680000

素因数分解:

$2^{14}\times 5^4\times 7^1$

素因数の和:55

約数の個数: 150

約数和(自身を含む): 204728216

約数和(自身を除く): 133048216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 256, 280, 320, 350, 400, 448, 500, 512, 560, 625, 640, 700, 800, 875, 896, 1000, 1024, 1120, 1250, 1280, 1400, 1600, 1750, 1792, 2000, 2048, 2240, 2500, 2560, 2800, 3200, 3500, 3584, 4000, 4096, 4375, 4480, 5000, 5120, 5600, 6400, 7000, 7168, 8000, 8192, 8750, 8960, 10000, 10240, 11200, 12800, 14000, 14336, 16000, 16384, 17500, 17920, 20000, 20480, 22400, 25600, 28000, 28672, 32000, 35000, 35840, 40000, 40960, 44800, 51200, 56000, 57344, 64000, 70000, 71680, 80000, 81920, 89600, 102400, 112000, 114688, 128000, 140000, 143360, 160000, 179200, 204800, 224000, 256000, 280000, 286720, 320000, 358400, 409600, 448000, 512000, 560000, 573440, 640000, 716800, 896000, 1024000, 1120000, 1280000, 1433600, 1792000, 2048000, 2240000, 2560000, 2867200, 3584000, 4480000, 5120000, 7168000, 8960000, 10240000, 14336000, 17920000, 35840000, 71680000]

約数ペア:

[(1, 71680000), (2, 35840000), (4, 17920000), (5, 14336000), (7, 10240000), (8, 8960000), (10, 7168000), (14, 5120000), (16, 4480000), (20, 3584000), (25, 2867200), (28, 2560000), (32, 2240000), (35, 2048000), (40, 1792000), (50, 1433600), (56, 1280000), (64, 1120000), (70, 1024000), (80, 896000), (100, 716800), (112, 640000), (125, 573440), (128, 560000), (140, 512000), (160, 448000), (175, 409600), (200, 358400), (224, 320000), (250, 286720), (256, 280000), (280, 256000), (320, 224000), (350, 204800), (400, 179200), (448, 160000), (500, 143360), (512, 140000), (560, 128000), (625, 114688), (640, 112000), (700, 102400), (800, 89600), (875, 81920), (896, 80000), (1000, 71680), (1024, 70000), (1120, 64000), (1250, 57344), (1280, 56000), (1400, 51200), (1600, 44800), (1750, 40960), (1792, 40000), (2000, 35840), (2048, 35000), (2240, 32000), (2500, 28672), (2560, 28000), (2800, 25600), (3200, 22400), (3500, 20480), (3584, 20000), (4000, 17920), (4096, 17500), (4375, 16384), (4480, 16000), (5000, 14336), (5120, 14000), (5600, 12800), (6400, 11200), (7000, 10240), (7168, 10000), (8000, 8960), (8192, 8750)]