131051520

素因数分解:

$2^{12}\times 3^4\times 5^1\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 260

約数和(自身を含む): 475733280

約数和(自身を除く): 344681760

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, 79, 80, 81, 90, 96, 108, 120, 128, 135, 144, 158, 160, 162, 180, 192, 216, 237, 240, 256, 270, 288, 316, 320, 324, 360, 384, 395, 405, 432, 474, 480, 512, 540, 576, 632, 640, 648, 711, 720, 768, 790, 810, 864, 948, 960, 1024, 1080, 1152, 1185, 1264, 1280, 1296, 1422, 1440, 1536, 1580, 1620, 1728, 1896, 1920, 2048, 2133, 2160, 2304, 2370, 2528, 2560, 2592, 2844, 2880, 3072, 3160, 3240, 3456, 3555, 3792, 3840, 4096, 4266, 4320, 4608, 4740, 5056, 5120, 5184, 5688, 5760, 6144, 6320, 6399, 6480, 6912, 7110, 7584, 7680, 8532, 8640, 9216, 9480, 10112, 10240, 10368, 10665, 11376, 11520, 12288, 12640, 12798, 12960, 13824, 14220, 15168, 15360, 17064, 17280, 18432, 18960, 20224, 20480, 20736, 21330, 22752, 23040, 25280, 25596, 25920, 27648, 28440, 30336, 30720, 31995, 34128, 34560, 36864, 37920, 40448, 41472, 42660, 45504, 46080, 50560, 51192, 51840, 55296, 56880, 60672, 61440, 63990, 68256, 69120, 75840, 80896, 82944, 85320, 91008, 92160, 101120, 102384, 103680, 110592, 113760, 121344, 127980, 136512, 138240, 151680, 161792, 165888, 170640, 182016, 184320, 202240, 204768, 207360, 227520, 242688, 255960, 273024, 276480, 303360, 323584, 331776, 341280, 364032, 404480, 409536, 414720, 455040, 485376, 511920, 546048, 552960, 606720, 682560, 728064, 808960, 819072, 829440, 910080, 970752, 1023840, 1092096, 1213440, 1365120, 1456128, 1617920, 1638144, 1658880, 1820160, 2047680, 2184192, 2426880, 2730240, 2912256, 3276288, 3640320, 4095360, 4368384, 4853760, 5460480, 6552576, 7280640, 8190720, 8736768, 10920960, 13105152, 14561280, 16381440, 21841920, 26210304, 32762880, 43683840, 65525760, 131051520]

約数ペア:

[(1, 131051520), (2, 65525760), (3, 43683840), (4, 32762880), (5, 26210304), (6, 21841920), (8, 16381440), (9, 14561280), (10, 13105152), (12, 10920960), (15, 8736768), (16, 8190720), (18, 7280640), (20, 6552576), (24, 5460480), (27, 4853760), (30, 4368384), (32, 4095360), (36, 3640320), (40, 3276288), (45, 2912256), (48, 2730240), (54, 2426880), (60, 2184192), (64, 2047680), (72, 1820160), (79, 1658880), (80, 1638144), (81, 1617920), (90, 1456128), (96, 1365120), (108, 1213440), (120, 1092096), (128, 1023840), (135, 970752), (144, 910080), (158, 829440), (160, 819072), (162, 808960), (180, 728064), (192, 682560), (216, 606720), (237, 552960), (240, 546048), (256, 511920), (270, 485376), (288, 455040), (316, 414720), (320, 409536), (324, 404480), (360, 364032), (384, 341280), (395, 331776), (405, 323584), (432, 303360), (474, 276480), (480, 273024), (512, 255960), (540, 242688), (576, 227520), (632, 207360), (640, 204768), (648, 202240), (711, 184320), (720, 182016), (768, 170640), (790, 165888), (810, 161792), (864, 151680), (948, 138240), (960, 136512), (1024, 127980), (1080, 121344), (1152, 113760), (1185, 110592), (1264, 103680), (1280, 102384), (1296, 101120), (1422, 92160), (1440, 91008), (1536, 85320), (1580, 82944), (1620, 80896), (1728, 75840), (1896, 69120), (1920, 68256), (2048, 63990), (2133, 61440), (2160, 60672), (2304, 56880), (2370, 55296), (2528, 51840), (2560, 51192), (2592, 50560), (2844, 46080), (2880, 45504), (3072, 42660), (3160, 41472), (3240, 40448), (3456, 37920), (3555, 36864), (3792, 34560), (3840, 34128), (4096, 31995), (4266, 30720), (4320, 30336), (4608, 28440), (4740, 27648), (5056, 25920), (5120, 25596), (5184, 25280), (5688, 23040), (5760, 22752), (6144, 21330), (6320, 20736), (6399, 20480), (6480, 20224), (6912, 18960), (7110, 18432), (7584, 17280), (7680, 17064), (8532, 15360), (8640, 15168), (9216, 14220), (9480, 13824), (10112, 12960), (10240, 12798), (10368, 12640), (10665, 12288), (11376, 11520)]