140720000

素因数分解:

$2^7\times 5^4\times {\mathrm{1759}}^1$

素因数の和:1793

約数の個数: 80

約数和(自身を含む): 350512800

約数和(自身を除く): 209792800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1250, 1600, 1759, 2000, 2500, 3200, 3518, 4000, 5000, 7036, 8000, 8795, 10000, 14072, 16000, 17590, 20000, 28144, 35180, 40000, 43975, 56288, 70360, 80000, 87950, 112576, 140720, 175900, 219875, 225152, 281440, 351800, 439750, 562880, 703600, 879500, 1099375, 1125760, 1407200, 1759000, 2198750, 2814400, 3518000, 4397500, 5628800, 7036000, 8795000, 14072000, 17590000, 28144000, 35180000, 70360000, 140720000]

約数ペア:

[(1, 140720000), (2, 70360000), (4, 35180000), (5, 28144000), (8, 17590000), (10, 14072000), (16, 8795000), (20, 7036000), (25, 5628800), (32, 4397500), (40, 3518000), (50, 2814400), (64, 2198750), (80, 1759000), (100, 1407200), (125, 1125760), (128, 1099375), (160, 879500), (200, 703600), (250, 562880), (320, 439750), (400, 351800), (500, 281440), (625, 225152), (640, 219875), (800, 175900), (1000, 140720), (1250, 112576), (1600, 87950), (1759, 80000), (2000, 70360), (2500, 56288), (3200, 43975), (3518, 40000), (4000, 35180), (5000, 28144), (7036, 20000), (8000, 17590), (8795, 16000), (10000, 14072)]