1990379520

素因数分解:

$2^{11}\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:372

約数の個数: 384

約数和(自身を含む): 7406380800

約数和(自身を除く): 5416001280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 128, 135, 138, 144, 160, 180, 184, 192, 207, 216, 230, 240, 256, 270, 276, 288, 313, 320, 345, 360, 368, 384, 414, 432, 460, 480, 512, 540, 552, 576, 621, 626, 640, 690, 720, 736, 768, 828, 864, 920, 939, 960, 1024, 1035, 1080, 1104, 1152, 1242, 1252, 1280, 1380, 1440, 1472, 1536, 1565, 1656, 1728, 1840, 1878, 1920, 2048, 2070, 2160, 2208, 2304, 2484, 2504, 2560, 2760, 2817, 2880, 2944, 3072, 3105, 3130, 3312, 3456, 3680, 3756, 3840, 4140, 4320, 4416, 4608, 4695, 4968, 5008, 5120, 5520, 5634, 5760, 5888, 6144, 6210, 6260, 6624, 6912, 7199, 7360, 7512, 7680, 8280, 8451, 8640, 8832, 9216, 9390, 9936, 10016, 10240, 11040, 11268, 11520, 11776, 12420, 12520, 13248, 13824, 14085, 14398, 14720, 15024, 15360, 16560, 16902, 17280, 17664, 18432, 18780, 19872, 20032, 21597, 22080, 22536, 23040, 23552, 24840, 25040, 26496, 27648, 28170, 28796, 29440, 30048, 30720, 33120, 33804, 34560, 35328, 35995, 37560, 39744, 40064, 42255, 43194, 44160, 45072, 46080, 47104, 49680, 50080, 52992, 55296, 56340, 57592, 58880, 60096, 64791, 66240, 67608, 69120, 70656, 71990, 75120, 79488, 80128, 84510, 86388, 88320, 90144, 92160, 99360, 100160, 105984, 107985, 112680, 115184, 117760, 120192, 129582, 132480, 135216, 138240, 141312, 143980, 150240, 158976, 160256, 169020, 172776, 176640, 180288, 194373, 198720, 200320, 211968, 215970, 225360, 230368, 235520, 240384, 259164, 264960, 270432, 276480, 287960, 300480, 317952, 320512, 323955, 338040, 345552, 353280, 360576, 388746, 397440, 400640, 423936, 431940, 450720, 460736, 480768, 518328, 529920, 540864, 575920, 600960, 635904, 641024, 647910, 676080, 691104, 706560, 721152, 777492, 794880, 801280, 863880, 901440, 921472, 961536, 971865, 1036656, 1059840, 1081728, 1151840, 1201920, 1271808, 1295820, 1352160, 1382208, 1442304, 1554984, 1589760, 1602560, 1727760, 1802880, 1842944, 1923072, 1943730, 2073312, 2119680, 2163456, 2303680, 2403840, 2591640, 2704320, 2764416, 2884608, 3109968, 3179520, 3205120, 3455520, 3605760, 3685888, 3887460, 4146624, 4326912, 4607360, 4807680, 5183280, 5408640, 5528832, 5769216, 6219936, 6359040, 6911040, 7211520, 7371776, 7774920, 8293248, 8653824, 9214720, 9615360, 10366560, 10817280, 11057664, 12439872, 13822080, 14423040, 14743552, 15549840, 16586496, 17307648, 18429440, 20733120, 21634560, 22115328, 24879744, 27644160, 28846080, 31099680, 33172992, 36858880, 41466240, 43269120, 44230656, 49759488, 55288320, 62199360, 66345984, 73717760, 82932480, 86538240, 99518976, 110576640, 124398720, 132691968, 165864960, 199037952, 221153280, 248797440, 331729920, 398075904, 497594880, 663459840, 995189760, 1990379520]

約数ペア:

[(1, 1990379520), (2, 995189760), (3, 663459840), (4, 497594880), (5, 398075904), (6, 331729920), (8, 248797440), (9, 221153280), (10, 199037952), (12, 165864960), (15, 132691968), (16, 124398720), (18, 110576640), (20, 99518976), (23, 86538240), (24, 82932480), (27, 73717760), (30, 66345984), (32, 62199360), (36, 55288320), (40, 49759488), (45, 44230656), (46, 43269120), (48, 41466240), (54, 36858880), (60, 33172992), (64, 31099680), (69, 28846080), (72, 27644160), (80, 24879744), (90, 22115328), (92, 21634560), (96, 20733120), (108, 18429440), (115, 17307648), (120, 16586496), (128, 15549840), (135, 14743552), (138, 14423040), (144, 13822080), (160, 12439872), (180, 11057664), (184, 10817280), (192, 10366560), (207, 9615360), (216, 9214720), (230, 8653824), (240, 8293248), (256, 7774920), (270, 7371776), (276, 7211520), (288, 6911040), (313, 6359040), (320, 6219936), (345, 5769216), (360, 5528832), (368, 5408640), (384, 5183280), (414, 4807680), (432, 4607360), (460, 4326912), (480, 4146624), (512, 3887460), (540, 3685888), (552, 3605760), (576, 3455520), (621, 3205120), (626, 3179520), (640, 3109968), (690, 2884608), (720, 2764416), (736, 2704320), (768, 2591640), (828, 2403840), (864, 2303680), (920, 2163456), (939, 2119680), (960, 2073312), (1024, 1943730), (1035, 1923072), (1080, 1842944), (1104, 1802880), (1152, 1727760), (1242, 1602560), (1252, 1589760), (1280, 1554984), (1380, 1442304), (1440, 1382208), (1472, 1352160), (1536, 1295820), (1565, 1271808), (1656, 1201920), (1728, 1151840), (1840, 1081728), (1878, 1059840), (1920, 1036656), (2048, 971865), (2070, 961536), (2160, 921472), (2208, 901440), (2304, 863880), (2484, 801280), (2504, 794880), (2560, 777492), (2760, 721152), (2817, 706560), (2880, 691104), (2944, 676080), (3072, 647910), (3105, 641024), (3130, 635904), (3312, 600960), (3456, 575920), (3680, 540864), (3756, 529920), (3840, 518328), (4140, 480768), (4320, 460736), (4416, 450720), (4608, 431940), (4695, 423936), (4968, 400640), (5008, 397440), (5120, 388746), (5520, 360576), (5634, 353280), (5760, 345552), (5888, 338040), (6144, 323955), (6210, 320512), (6260, 317952), (6624, 300480), (6912, 287960), (7199, 276480), (7360, 270432), (7512, 264960), (7680, 259164), (8280, 240384), (8451, 235520), (8640, 230368), (8832, 225360), (9216, 215970), (9390, 211968), (9936, 200320), (10016, 198720), (10240, 194373), (11040, 180288), (11268, 176640), (11520, 172776), (11776, 169020), (12420, 160256), (12520, 158976), (13248, 150240), (13824, 143980), (14085, 141312), (14398, 138240), (14720, 135216), (15024, 132480), (15360, 129582), (16560, 120192), (16902, 117760), (17280, 115184), (17664, 112680), (18432, 107985), (18780, 105984), (19872, 100160), (20032, 99360), (21597, 92160), (22080, 90144), (22536, 88320), (23040, 86388), (23552, 84510), (24840, 80128), (25040, 79488), (26496, 75120), (27648, 71990), (28170, 70656), (28796, 69120), (29440, 67608), (30048, 66240), (30720, 64791), (33120, 60096), (33804, 58880), (34560, 57592), (35328, 56340), (35995, 55296), (37560, 52992), (39744, 50080), (40064, 49680), (42255, 47104), (43194, 46080), (44160, 45072)]