1245265920

素因数分解:

$2^{14}\times 3^3\times 5^1\times {\mathrm{563}}^1$

素因数の和:605

約数の個数: 240

約数和(自身を含む): 4435341120

約数和(自身を除く): 3190075200

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, 512, 540, 563, 576, 640, 720, 768, 864, 960, 1024, 1080, 1126, 1152, 1280, 1440, 1536, 1689, 1728, 1920, 2048, 2160, 2252, 2304, 2560, 2815, 2880, 3072, 3378, 3456, 3840, 4096, 4320, 4504, 4608, 5067, 5120, 5630, 5760, 6144, 6756, 6912, 7680, 8192, 8445, 8640, 9008, 9216, 10134, 10240, 11260, 11520, 12288, 13512, 13824, 15201, 15360, 16384, 16890, 17280, 18016, 18432, 20268, 20480, 22520, 23040, 24576, 25335, 27024, 27648, 30402, 30720, 33780, 34560, 36032, 36864, 40536, 40960, 45040, 46080, 49152, 50670, 54048, 55296, 60804, 61440, 67560, 69120, 72064, 73728, 76005, 81072, 81920, 90080, 92160, 101340, 108096, 110592, 121608, 122880, 135120, 138240, 144128, 147456, 152010, 162144, 180160, 184320, 202680, 216192, 221184, 243216, 245760, 270240, 276480, 288256, 304020, 324288, 360320, 368640, 405360, 432384, 442368, 486432, 540480, 552960, 576512, 608040, 648576, 720640, 737280, 810720, 864768, 972864, 1080960, 1105920, 1153024, 1216080, 1297152, 1441280, 1621440, 1729536, 1945728, 2161920, 2211840, 2306048, 2432160, 2594304, 2882560, 3242880, 3459072, 3891456, 4323840, 4612096, 4864320, 5188608, 5765120, 6485760, 6918144, 7782912, 8647680, 9224192, 9728640, 10377216, 11530240, 12971520, 13836288, 15565824, 17295360, 19457280, 20754432, 23060480, 25943040, 27672576, 31131648, 34590720, 38914560, 41508864, 46120960, 51886080, 62263296, 69181440, 77829120, 83017728, 103772160, 124526592, 138362880, 155658240, 207544320, 249053184, 311316480, 415088640, 622632960, 1245265920]

約数ペア:

[(1, 1245265920), (2, 622632960), (3, 415088640), (4, 311316480), (5, 249053184), (6, 207544320), (8, 155658240), (9, 138362880), (10, 124526592), (12, 103772160), (15, 83017728), (16, 77829120), (18, 69181440), (20, 62263296), (24, 51886080), (27, 46120960), (30, 41508864), (32, 38914560), (36, 34590720), (40, 31131648), (45, 27672576), (48, 25943040), (54, 23060480), (60, 20754432), (64, 19457280), (72, 17295360), (80, 15565824), (90, 13836288), (96, 12971520), (108, 11530240), (120, 10377216), (128, 9728640), (135, 9224192), (144, 8647680), (160, 7782912), (180, 6918144), (192, 6485760), (216, 5765120), (240, 5188608), (256, 4864320), (270, 4612096), (288, 4323840), (320, 3891456), (360, 3459072), (384, 3242880), (432, 2882560), (480, 2594304), (512, 2432160), (540, 2306048), (563, 2211840), (576, 2161920), (640, 1945728), (720, 1729536), (768, 1621440), (864, 1441280), (960, 1297152), (1024, 1216080), (1080, 1153024), (1126, 1105920), (1152, 1080960), (1280, 972864), (1440, 864768), (1536, 810720), (1689, 737280), (1728, 720640), (1920, 648576), (2048, 608040), (2160, 576512), (2252, 552960), (2304, 540480), (2560, 486432), (2815, 442368), (2880, 432384), (3072, 405360), (3378, 368640), (3456, 360320), (3840, 324288), (4096, 304020), (4320, 288256), (4504, 276480), (4608, 270240), (5067, 245760), (5120, 243216), (5630, 221184), (5760, 216192), (6144, 202680), (6756, 184320), (6912, 180160), (7680, 162144), (8192, 152010), (8445, 147456), (8640, 144128), (9008, 138240), (9216, 135120), (10134, 122880), (10240, 121608), (11260, 110592), (11520, 108096), (12288, 101340), (13512, 92160), (13824, 90080), (15201, 81920), (15360, 81072), (16384, 76005), (16890, 73728), (17280, 72064), (18016, 69120), (18432, 67560), (20268, 61440), (20480, 60804), (22520, 55296), (23040, 54048), (24576, 50670), (25335, 49152), (27024, 46080), (27648, 45040), (30402, 40960), (30720, 40536), (33780, 36864), (34560, 36032)]