About the Number

1987211520

1987211519 ← → 1987211521

2進数表記:1110110011100100111000100000000

漢数字表記:十九億八千七百二十一万千五百二十

素因数分解:

2 8 × 3 2 × 5 1 × 7 1 × 19 1 × 1297 1

素因数の和:1350
約数の個数: 432
約数和(自身を含む): 8277709440
約数和(自身を除く): 6290497920

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 128, 133, 140, 144, 152, 160, 168, 171, 180, 190, 192, 210, 224, 228, 240, 252, 256, 266, 280, 285, 288, 304, 315, 320, 336, 342, 360, 380, 384, 399, 420, 448, 456, 480, 504, 532, 560, 570, 576, 608, 630, 640, 665, 672, 684, 720, 760, 768, 798, 840, 855, 896, 912, 960, 1008, 1064, 1120, 1140, 1152, 1197, 1216, 1260, 1280, 1297, 1330, 1344, 1368, 1440, 1520, 1596, 1680, 1710, 1792, 1824, 1920, 1995, 2016, 2128, 2240, 2280, 2304, 2394, 2432, 2520, 2594, 2660, 2688, 2736, 2880, 3040, 3192, 3360, 3420, 3648, 3840, 3891, 3990, 4032, 4256, 4480, 4560, 4788, 4864, 5040, 5188, 5320, 5376, 5472, 5760, 5985, 6080, 6384, 6485, 6720, 6840, 7296, 7782, 7980, 8064, 8512, 8960, 9079, 9120, 9576, 10080, 10376, 10640, 10944, 11520, 11673, 11970, 12160, 12768, 12970, 13440, 13680, 14592, 15564, 15960, 16128, 17024, 18158, 18240, 19152, 19455, 20160, 20752, 21280, 21888, 23346, 23940, 24320, 24643, 25536, 25940, 26880, 27237, 27360, 31128, 31920, 34048, 36316, 36480, 38304, 38910, 40320, 41504, 42560, 43776, 45395, 46692, 47880, 49286, 51072, 51880, 54474, 54720, 58365, 62256, 63840, 72632, 72960, 73929, 76608, 77820, 80640, 81711, 83008, 85120, 90790, 93384, 95760, 98572, 102144, 103760, 108948, 109440, 116730, 123215, 124512, 127680, 136185, 145264, 147858, 153216, 155640, 163422, 166016, 170240, 172501, 181580, 186768, 191520, 197144, 207520, 217896, 218880, 221787, 233460, 246430, 249024, 255360, 272370, 290528, 295716, 306432, 311280, 326844, 332032, 345002, 363160, 369645, 373536, 383040, 394288, 408555, 415040, 435792, 443574, 466920, 492860, 498048, 510720, 517503, 544740, 581056, 591432, 622560, 653688, 690004, 726320, 739290, 747072, 766080, 788576, 817110, 830080, 862505, 871584, 887148, 933840, 985720, 996096, 1035006, 1089480, 1108935, 1162112, 1182864, 1245120, 1307376, 1380008, 1452640, 1478580, 1494144, 1532160, 1552509, 1577152, 1634220, 1660160, 1725010, 1743168, 1774296, 1867680, 1971440, 2070012, 2178960, 2217870, 2324224, 2365728, 2490240, 2587515, 2614752, 2760016, 2905280, 2957160, 2988288, 3105018, 3154304, 3268440, 3450020, 3486336, 3548592, 3735360, 3942880, 4140024, 4357920, 4435740, 4731456, 4980480, 5175030, 5229504, 5520032, 5810560, 5914320, 6210036, 6308608, 6536880, 6900040, 6972672, 7097184, 7470720, 7762545, 7885760, 8280048, 8715840, 8871480, 9462912, 10350060, 10459008, 11040064, 11621120, 11828640, 12420072, 13073760, 13800080, 14194368, 14941440, 15525090, 15771520, 16560096, 17431680, 17742960, 18925824, 20700120, 20918016, 22080128, 23657280, 24840144, 26147520, 27600160, 28388736, 31050180, 31543040, 33120192, 34863360, 35485920, 41400240, 44160256, 47314560, 49680288, 52295040, 55200320, 56777472, 62100360, 66240384, 70971840, 82800480, 94629120, 99360576, 104590080, 110400640, 124200720, 132480768, 141943680, 165600960, 198721152, 220801280, 248401440, 283887360, 331201920, 397442304, 496802880, 662403840, 993605760, 1987211520]

約数ペア:
[(1, 1987211520), (2, 993605760), (3, 662403840), (4, 496802880), (5, 397442304), (6, 331201920), (7, 283887360), (8, 248401440), (9, 220801280), (10, 198721152), (12, 165600960), (14, 141943680), (15, 132480768), (16, 124200720), (18, 110400640), (19, 104590080), (20, 99360576), (21, 94629120), (24, 82800480), (28, 70971840), (30, 66240384), (32, 62100360), (35, 56777472), (36, 55200320), (38, 52295040), (40, 49680288), (42, 47314560), (45, 44160256), (48, 41400240), (56, 35485920), (57, 34863360), (60, 33120192), (63, 31543040), (64, 31050180), (70, 28388736), (72, 27600160), (76, 26147520), (80, 24840144), (84, 23657280), (90, 22080128), (95, 20918016), (96, 20700120), (105, 18925824), (112, 17742960), (114, 17431680), (120, 16560096), (126, 15771520), (128, 15525090), (133, 14941440), (140, 14194368), (144, 13800080), (152, 13073760), (160, 12420072), (168, 11828640), (171, 11621120), (180, 11040064), (190, 10459008), (192, 10350060), (210, 9462912), (224, 8871480), (228, 8715840), (240, 8280048), (252, 7885760), (256, 7762545), (266, 7470720), (280, 7097184), (285, 6972672), (288, 6900040), (304, 6536880), (315, 6308608), (320, 6210036), (336, 5914320), (342, 5810560), (360, 5520032), (380, 5229504), (384, 5175030), (399, 4980480), (420, 4731456), (448, 4435740), (456, 4357920), (480, 4140024), (504, 3942880), (532, 3735360), (560, 3548592), (570, 3486336), (576, 3450020), (608, 3268440), (630, 3154304), (640, 3105018), (665, 2988288), (672, 2957160), (684, 2905280), (720, 2760016), (760, 2614752), (768, 2587515), (798, 2490240), (840, 2365728), (855, 2324224), (896, 2217870), (912, 2178960), (960, 2070012), (1008, 1971440), (1064, 1867680), (1120, 1774296), (1140, 1743168), (1152, 1725010), (1197, 1660160), (1216, 1634220), (1260, 1577152), (1280, 1552509), (1297, 1532160), (1330, 1494144), (1344, 1478580), (1368, 1452640), (1440, 1380008), (1520, 1307376), (1596, 1245120), (1680, 1182864), (1710, 1162112), (1792, 1108935), (1824, 1089480), (1920, 1035006), (1995, 996096), (2016, 985720), (2128, 933840), (2240, 887148), (2280, 871584), (2304, 862505), (2394, 830080), (2432, 817110), (2520, 788576), (2594, 766080), (2660, 747072), (2688, 739290), (2736, 726320), (2880, 690004), (3040, 653688), (3192, 622560), (3360, 591432), (3420, 581056), (3648, 544740), (3840, 517503), (3891, 510720), (3990, 498048), (4032, 492860), (4256, 466920), (4480, 443574), (4560, 435792), (4788, 415040), (4864, 408555), (5040, 394288), (5188, 383040), (5320, 373536), (5376, 369645), (5472, 363160), (5760, 345002), (5985, 332032), (6080, 326844), (6384, 311280), (6485, 306432), (6720, 295716), (6840, 290528), (7296, 272370), (7782, 255360), (7980, 249024), (8064, 246430), (8512, 233460), (8960, 221787), (9079, 218880), (9120, 217896), (9576, 207520), (10080, 197144), (10376, 191520), (10640, 186768), (10944, 181580), (11520, 172501), (11673, 170240), (11970, 166016), (12160, 163422), (12768, 155640), (12970, 153216), (13440, 147858), (13680, 145264), (14592, 136185), (15564, 127680), (15960, 124512), (16128, 123215), (17024, 116730), (18158, 109440), (18240, 108948), (19152, 103760), (19455, 102144), (20160, 98572), (20752, 95760), (21280, 93384), (21888, 90790), (23346, 85120), (23940, 83008), (24320, 81711), (24643, 80640), (25536, 77820), (25940, 76608), (26880, 73929), (27237, 72960), (27360, 72632), (31128, 63840), (31920, 62256), (34048, 58365), (36316, 54720), (36480, 54474), (38304, 51880), (38910, 51072), (40320, 49286), (41504, 47880), (42560, 46692), (43776, 45395)]

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