207628800

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{5407}}^1$

素因数の和:5438

約数の個数: 120

約数和(自身を含む): 686015616

約数和(自身を除く): 478386816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 512, 600, 640, 768, 800, 960, 1200, 1280, 1536, 1600, 1920, 2400, 2560, 3200, 3840, 4800, 5407, 6400, 7680, 9600, 10814, 12800, 16221, 19200, 21628, 27035, 32442, 38400, 43256, 54070, 64884, 81105, 86512, 108140, 129768, 135175, 162210, 173024, 216280, 259536, 270350, 324420, 346048, 405525, 432560, 519072, 540700, 648840, 692096, 811050, 865120, 1038144, 1081400, 1297680, 1384192, 1622100, 1730240, 2076288, 2162800, 2595360, 2768384, 3244200, 3460480, 4152576, 4325600, 5190720, 6488400, 6920960, 8305152, 8651200, 10381440, 12976800, 13841920, 17302400, 20762880, 25953600, 34604800, 41525760, 51907200, 69209600, 103814400, 207628800]

約数ペア:

[(1, 207628800), (2, 103814400), (3, 69209600), (4, 51907200), (5, 41525760), (6, 34604800), (8, 25953600), (10, 20762880), (12, 17302400), (15, 13841920), (16, 12976800), (20, 10381440), (24, 8651200), (25, 8305152), (30, 6920960), (32, 6488400), (40, 5190720), (48, 4325600), (50, 4152576), (60, 3460480), (64, 3244200), (75, 2768384), (80, 2595360), (96, 2162800), (100, 2076288), (120, 1730240), (128, 1622100), (150, 1384192), (160, 1297680), (192, 1081400), (200, 1038144), (240, 865120), (256, 811050), (300, 692096), (320, 648840), (384, 540700), (400, 519072), (480, 432560), (512, 405525), (600, 346048), (640, 324420), (768, 270350), (800, 259536), (960, 216280), (1200, 173024), (1280, 162210), (1536, 135175), (1600, 129768), (1920, 108140), (2400, 86512), (2560, 81105), (3200, 64884), (3840, 54070), (4800, 43256), (5407, 38400), (6400, 32442), (7680, 27035), (9600, 21628), (10814, 19200), (12800, 16221)]