278484480

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 400

約数和(自身を含む): 1069485120

約数和(自身を除く): 791000640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 79, 80, 81, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 158, 160, 162, 170, 180, 192, 204, 216, 237, 240, 255, 256, 270, 272, 288, 306, 316, 320, 324, 340, 360, 384, 395, 405, 408, 432, 459, 474, 480, 510, 512, 540, 544, 576, 612, 632, 640, 648, 680, 711, 720, 765, 768, 790, 810, 816, 864, 918, 948, 960, 1020, 1080, 1088, 1152, 1185, 1224, 1264, 1280, 1296, 1343, 1360, 1377, 1422, 1440, 1530, 1536, 1580, 1620, 1632, 1728, 1836, 1896, 1920, 2040, 2133, 2160, 2176, 2295, 2304, 2370, 2448, 2528, 2560, 2592, 2686, 2720, 2754, 2844, 2880, 3060, 3160, 3240, 3264, 3456, 3555, 3672, 3792, 3840, 4029, 4080, 4266, 4320, 4352, 4590, 4608, 4740, 4896, 5056, 5184, 5372, 5440, 5508, 5688, 5760, 6120, 6320, 6399, 6480, 6528, 6715, 6885, 6912, 7110, 7344, 7584, 7680, 8058, 8160, 8532, 8640, 8704, 9180, 9480, 9792, 10112, 10368, 10665, 10744, 10880, 11016, 11376, 11520, 12087, 12240, 12640, 12798, 12960, 13056, 13430, 13770, 13824, 14220, 14688, 15168, 16116, 16320, 17064, 17280, 18360, 18960, 19584, 20145, 20224, 20736, 21330, 21488, 21760, 22032, 22752, 23040, 24174, 24480, 25280, 25596, 25920, 26112, 26860, 27540, 28440, 29376, 30336, 31995, 32232, 32640, 34128, 34560, 36261, 36720, 37920, 39168, 40290, 40448, 41472, 42660, 42976, 43520, 44064, 45504, 48348, 48960, 50560, 51192, 51840, 53720, 55080, 56880, 58752, 60435, 60672, 63990, 64464, 65280, 68256, 69120, 72522, 73440, 75840, 78336, 80580, 85320, 85952, 88128, 91008, 96696, 97920, 101120, 102384, 103680, 107440, 108783, 110160, 113760, 117504, 120870, 121344, 127980, 128928, 130560, 136512, 145044, 146880, 151680, 161160, 170640, 171904, 176256, 181305, 182016, 193392, 195840, 202240, 204768, 207360, 214880, 217566, 220320, 227520, 235008, 241740, 255960, 257856, 273024, 290088, 293760, 303360, 322320, 341280, 343808, 352512, 362610, 364032, 386784, 391680, 409536, 429760, 435132, 440640, 455040, 483480, 511920, 515712, 543915, 546048, 580176, 587520, 606720, 644640, 682560, 687616, 705024, 725220, 773568, 819072, 859520, 870264, 881280, 910080, 966960, 1023840, 1031424, 1087830, 1092096, 1160352, 1175040, 1289280, 1365120, 1450440, 1547136, 1638144, 1719040, 1740528, 1762560, 1820160, 1933920, 2047680, 2062848, 2175660, 2320704, 2578560, 2730240, 2900880, 3094272, 3276288, 3438080, 3481056, 3525120, 3867840, 4095360, 4351320, 4641408, 5157120, 5460480, 5801760, 6188544, 6962112, 7735680, 8190720, 8702640, 9282816, 10314240, 11603520, 13924224, 15471360, 16381440, 17405280, 18565632, 23207040, 27848448, 30942720, 34810560, 46414080, 55696896, 69621120, 92828160, 139242240, 278484480]

約数ペア:

[(1, 278484480), (2, 139242240), (3, 92828160), (4, 69621120), (5, 55696896), (6, 46414080), (8, 34810560), (9, 30942720), (10, 27848448), (12, 23207040), (15, 18565632), (16, 17405280), (17, 16381440), (18, 15471360), (20, 13924224), (24, 11603520), (27, 10314240), (30, 9282816), (32, 8702640), (34, 8190720), (36, 7735680), (40, 6962112), (45, 6188544), (48, 5801760), (51, 5460480), (54, 5157120), (60, 4641408), (64, 4351320), (68, 4095360), (72, 3867840), (79, 3525120), (80, 3481056), (81, 3438080), (85, 3276288), (90, 3094272), (96, 2900880), (102, 2730240), (108, 2578560), (120, 2320704), (128, 2175660), (135, 2062848), (136, 2047680), (144, 1933920), (153, 1820160), (158, 1762560), (160, 1740528), (162, 1719040), (170, 1638144), (180, 1547136), (192, 1450440), (204, 1365120), (216, 1289280), (237, 1175040), (240, 1160352), (255, 1092096), (256, 1087830), (270, 1031424), (272, 1023840), (288, 966960), (306, 910080), (316, 881280), (320, 870264), (324, 859520), (340, 819072), (360, 773568), (384, 725220), (395, 705024), (405, 687616), (408, 682560), (432, 644640), (459, 606720), (474, 587520), (480, 580176), (510, 546048), (512, 543915), (540, 515712), (544, 511920), (576, 483480), (612, 455040), (632, 440640), (640, 435132), (648, 429760), (680, 409536), (711, 391680), (720, 386784), (765, 364032), (768, 362610), (790, 352512), (810, 343808), (816, 341280), (864, 322320), (918, 303360), (948, 293760), (960, 290088), (1020, 273024), (1080, 257856), (1088, 255960), (1152, 241740), (1185, 235008), (1224, 227520), (1264, 220320), (1280, 217566), (1296, 214880), (1343, 207360), (1360, 204768), (1377, 202240), (1422, 195840), (1440, 193392), (1530, 182016), (1536, 181305), (1580, 176256), (1620, 171904), (1632, 170640), (1728, 161160), (1836, 151680), (1896, 146880), (1920, 145044), (2040, 136512), (2133, 130560), (2160, 128928), (2176, 127980), (2295, 121344), (2304, 120870), (2370, 117504), (2448, 113760), (2528, 110160), (2560, 108783), (2592, 107440), (2686, 103680), (2720, 102384), (2754, 101120), (2844, 97920), (2880, 96696), (3060, 91008), (3160, 88128), (3240, 85952), (3264, 85320), (3456, 80580), (3555, 78336), (3672, 75840), (3792, 73440), (3840, 72522), (4029, 69120), (4080, 68256), (4266, 65280), (4320, 64464), (4352, 63990), (4590, 60672), (4608, 60435), (4740, 58752), (4896, 56880), (5056, 55080), (5184, 53720), (5372, 51840), (5440, 51192), (5508, 50560), (5688, 48960), (5760, 48348), (6120, 45504), (6320, 44064), (6399, 43520), (6480, 42976), (6528, 42660), (6715, 41472), (6885, 40448), (6912, 40290), (7110, 39168), (7344, 37920), (7584, 36720), (7680, 36261), (8058, 34560), (8160, 34128), (8532, 32640), (8640, 32232), (8704, 31995), (9180, 30336), (9480, 29376), (9792, 28440), (10112, 27540), (10368, 26860), (10665, 26112), (10744, 25920), (10880, 25596), (11016, 25280), (11376, 24480), (11520, 24174), (12087, 23040), (12240, 22752), (12640, 22032), (12798, 21760), (12960, 21488), (13056, 21330), (13430, 20736), (13770, 20224), (13824, 20145), (14220, 19584), (14688, 18960), (15168, 18360), (16116, 17280), (16320, 17064)]