19457280

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{563}}^1$

素因数の和:593

約数の個数: 144

約数和(自身を含む): 69168960

約数和(自身を除く): 49711680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 563, 576, 640, 720, 768, 864, 960, 1080, 1126, 1152, 1280, 1440, 1689, 1728, 1920, 2160, 2252, 2304, 2815, 2880, 3378, 3456, 3840, 4320, 4504, 5067, 5630, 5760, 6756, 6912, 8445, 8640, 9008, 10134, 11260, 11520, 13512, 15201, 16890, 17280, 18016, 20268, 22520, 25335, 27024, 30402, 33780, 34560, 36032, 40536, 45040, 50670, 54048, 60804, 67560, 72064, 76005, 81072, 90080, 101340, 108096, 121608, 135120, 144128, 152010, 162144, 180160, 202680, 216192, 243216, 270240, 304020, 324288, 360320, 405360, 432384, 486432, 540480, 608040, 648576, 720640, 810720, 972864, 1080960, 1216080, 1297152, 1621440, 1945728, 2161920, 2432160, 3242880, 3891456, 4864320, 6485760, 9728640, 19457280]

約数ペア:

[(1, 19457280), (2, 9728640), (3, 6485760), (4, 4864320), (5, 3891456), (6, 3242880), (8, 2432160), (9, 2161920), (10, 1945728), (12, 1621440), (15, 1297152), (16, 1216080), (18, 1080960), (20, 972864), (24, 810720), (27, 720640), (30, 648576), (32, 608040), (36, 540480), (40, 486432), (45, 432384), (48, 405360), (54, 360320), (60, 324288), (64, 304020), (72, 270240), (80, 243216), (90, 216192), (96, 202680), (108, 180160), (120, 162144), (128, 152010), (135, 144128), (144, 135120), (160, 121608), (180, 108096), (192, 101340), (216, 90080), (240, 81072), (256, 76005), (270, 72064), (288, 67560), (320, 60804), (360, 54048), (384, 50670), (432, 45040), (480, 40536), (540, 36032), (563, 34560), (576, 33780), (640, 30402), (720, 27024), (768, 25335), (864, 22520), (960, 20268), (1080, 18016), (1126, 17280), (1152, 16890), (1280, 15201), (1440, 13512), (1689, 11520), (1728, 11260), (1920, 10134), (2160, 9008), (2252, 8640), (2304, 8445), (2815, 6912), (2880, 6756), (3378, 5760), (3456, 5630), (3840, 5067), (4320, 4504)]