60721920

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{251}}^1$

素因数の和:288

約数の個数: 288

約数和(自身を含む): 247242240

約数和(自身を除く): 186520320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 251, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 502, 504, 540, 560, 576, 630, 640, 672, 720, 753, 756, 768, 840, 864, 896, 945, 960, 1004, 1008, 1080, 1120, 1152, 1255, 1260, 1280, 1344, 1440, 1506, 1512, 1680, 1728, 1757, 1792, 1890, 1920, 2008, 2016, 2160, 2240, 2259, 2304, 2510, 2520, 2688, 2880, 3012, 3024, 3360, 3456, 3514, 3765, 3780, 3840, 4016, 4032, 4320, 4480, 4518, 5020, 5040, 5271, 5376, 5760, 6024, 6048, 6720, 6777, 6912, 7028, 7530, 7560, 8032, 8064, 8640, 8785, 8960, 9036, 10040, 10080, 10542, 11295, 11520, 12048, 12096, 13440, 13554, 14056, 15060, 15120, 15813, 16064, 16128, 17280, 17570, 18072, 20080, 20160, 21084, 22590, 24096, 24192, 26355, 26880, 27108, 28112, 30120, 30240, 31626, 32128, 33885, 34560, 35140, 36144, 40160, 40320, 42168, 45180, 47439, 48192, 48384, 52710, 54216, 56224, 60240, 60480, 63252, 64256, 67770, 70280, 72288, 79065, 80320, 80640, 84336, 90360, 94878, 96384, 105420, 108432, 112448, 120480, 120960, 126504, 135540, 140560, 144576, 158130, 160640, 168672, 180720, 189756, 192768, 210840, 216864, 224896, 237195, 240960, 241920, 253008, 271080, 281120, 289152, 316260, 321280, 337344, 361440, 379512, 421680, 433728, 449792, 474390, 481920, 506016, 542160, 562240, 578304, 632520, 674688, 722880, 759024, 843360, 867456, 948780, 963840, 1012032, 1084320, 1124480, 1265040, 1349376, 1445760, 1518048, 1686720, 1734912, 1897560, 2024064, 2168640, 2248960, 2530080, 2891520, 3036096, 3373440, 3795120, 4048128, 4337280, 5060160, 6072192, 6746880, 7590240, 8674560, 10120320, 12144384, 15180480, 20240640, 30360960, 60721920]

約数ペア:

[(1, 60721920), (2, 30360960), (3, 20240640), (4, 15180480), (5, 12144384), (6, 10120320), (7, 8674560), (8, 7590240), (9, 6746880), (10, 6072192), (12, 5060160), (14, 4337280), (15, 4048128), (16, 3795120), (18, 3373440), (20, 3036096), (21, 2891520), (24, 2530080), (27, 2248960), (28, 2168640), (30, 2024064), (32, 1897560), (35, 1734912), (36, 1686720), (40, 1518048), (42, 1445760), (45, 1349376), (48, 1265040), (54, 1124480), (56, 1084320), (60, 1012032), (63, 963840), (64, 948780), (70, 867456), (72, 843360), (80, 759024), (84, 722880), (90, 674688), (96, 632520), (105, 578304), (108, 562240), (112, 542160), (120, 506016), (126, 481920), (128, 474390), (135, 449792), (140, 433728), (144, 421680), (160, 379512), (168, 361440), (180, 337344), (189, 321280), (192, 316260), (210, 289152), (216, 281120), (224, 271080), (240, 253008), (251, 241920), (252, 240960), (256, 237195), (270, 224896), (280, 216864), (288, 210840), (315, 192768), (320, 189756), (336, 180720), (360, 168672), (378, 160640), (384, 158130), (420, 144576), (432, 140560), (448, 135540), (480, 126504), (502, 120960), (504, 120480), (540, 112448), (560, 108432), (576, 105420), (630, 96384), (640, 94878), (672, 90360), (720, 84336), (753, 80640), (756, 80320), (768, 79065), (840, 72288), (864, 70280), (896, 67770), (945, 64256), (960, 63252), (1004, 60480), (1008, 60240), (1080, 56224), (1120, 54216), (1152, 52710), (1255, 48384), (1260, 48192), (1280, 47439), (1344, 45180), (1440, 42168), (1506, 40320), (1512, 40160), (1680, 36144), (1728, 35140), (1757, 34560), (1792, 33885), (1890, 32128), (1920, 31626), (2008, 30240), (2016, 30120), (2160, 28112), (2240, 27108), (2259, 26880), (2304, 26355), (2510, 24192), (2520, 24096), (2688, 22590), (2880, 21084), (3012, 20160), (3024, 20080), (3360, 18072), (3456, 17570), (3514, 17280), (3765, 16128), (3780, 16064), (3840, 15813), (4016, 15120), (4032, 15060), (4320, 14056), (4480, 13554), (4518, 13440), (5020, 12096), (5040, 12048), (5271, 11520), (5376, 11295), (5760, 10542), (6024, 10080), (6048, 10040), (6720, 9036), (6777, 8960), (6912, 8785), (7028, 8640), (7530, 8064), (7560, 8032)]