About the Number

2681681280

2681681279 ← → 2681681281

2進数表記:10011111110101110011010110000000

漢数字表記:二十六億八千百六十八万千二百八十

素因数分解:

2 7 × 3 1 × 5 1 × 19 2 × 53 1 × 73 1

素因数の和:186
約数の個数: 384
約数和(自身を含む): 9317553120
約数和(自身を除く): 6635871840

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 53, 57, 60, 64, 73, 76, 80, 95, 96, 106, 114, 120, 128, 146, 152, 159, 160, 190, 192, 212, 219, 228, 240, 265, 285, 292, 304, 318, 320, 361, 365, 380, 384, 424, 438, 456, 480, 530, 570, 584, 608, 636, 640, 722, 730, 760, 795, 848, 876, 912, 960, 1007, 1060, 1083, 1095, 1140, 1168, 1216, 1272, 1387, 1444, 1460, 1520, 1590, 1696, 1752, 1805, 1824, 1920, 2014, 2120, 2166, 2190, 2280, 2336, 2432, 2544, 2774, 2888, 2920, 3021, 3040, 3180, 3392, 3504, 3610, 3648, 3869, 4028, 4161, 4240, 4332, 4380, 4560, 4672, 5035, 5088, 5415, 5548, 5776, 5840, 6042, 6080, 6360, 6784, 6935, 7008, 7220, 7296, 7738, 8056, 8322, 8480, 8664, 8760, 9120, 9344, 10070, 10176, 10830, 11096, 11552, 11607, 11680, 12084, 12160, 12720, 13870, 14016, 14440, 15105, 15476, 16112, 16644, 16960, 17328, 17520, 18240, 19133, 19345, 20140, 20352, 20805, 21660, 22192, 23104, 23214, 23360, 24168, 25440, 26353, 27740, 28032, 28880, 30210, 30952, 32224, 33288, 33920, 34656, 35040, 36480, 38266, 38690, 40280, 41610, 43320, 44384, 46208, 46428, 46720, 48336, 50880, 52706, 55480, 57399, 57760, 58035, 60420, 61904, 64448, 66576, 69312, 70080, 73511, 76532, 77380, 79059, 80560, 83220, 86640, 88768, 92856, 95665, 96672, 101760, 105412, 110960, 114798, 115520, 116070, 120840, 123808, 128896, 131765, 133152, 138624, 140160, 147022, 153064, 154760, 158118, 161120, 166440, 173280, 177536, 185712, 191330, 193344, 210824, 220533, 221920, 229596, 231040, 232140, 241680, 247616, 263530, 266304, 286995, 294044, 306128, 309520, 316236, 322240, 332880, 346560, 367555, 371424, 382660, 386688, 395295, 421648, 441066, 443840, 459192, 464280, 483360, 495232, 527060, 532608, 573990, 588088, 612256, 619040, 632472, 644480, 665760, 693120, 735110, 742848, 765320, 790590, 843296, 882132, 887680, 918384, 928560, 966720, 1054120, 1102665, 1147980, 1176176, 1224512, 1238080, 1264944, 1331520, 1396709, 1470220, 1485696, 1530640, 1581180, 1686592, 1764264, 1836768, 1857120, 1933440, 2108240, 2205330, 2295960, 2352352, 2449024, 2476160, 2529888, 2663040, 2793418, 2940440, 3061280, 3162360, 3373184, 3528528, 3673536, 3714240, 4190127, 4216480, 4410660, 4591920, 4704704, 5059776, 5586836, 5880880, 6122560, 6324720, 6983545, 7057056, 7347072, 7428480, 8380254, 8432960, 8821320, 9183840, 9409408, 10119552, 11173672, 11761760, 12245120, 12649440, 13967090, 14114112, 16760508, 16865920, 17642640, 18367680, 20950635, 22347344, 23523520, 25298880, 27934180, 28228224, 33521016, 35285280, 36735360, 41901270, 44694688, 47047040, 50597760, 55868360, 67042032, 70570560, 83802540, 89389376, 111736720, 134084064, 141141120, 167605080, 178778752, 223473440, 268168128, 335210160, 446946880, 536336256, 670420320, 893893760, 1340840640, 2681681280]

約数ペア:
[(1, 2681681280), (2, 1340840640), (3, 893893760), (4, 670420320), (5, 536336256), (6, 446946880), (8, 335210160), (10, 268168128), (12, 223473440), (15, 178778752), (16, 167605080), (19, 141141120), (20, 134084064), (24, 111736720), (30, 89389376), (32, 83802540), (38, 70570560), (40, 67042032), (48, 55868360), (53, 50597760), (57, 47047040), (60, 44694688), (64, 41901270), (73, 36735360), (76, 35285280), (80, 33521016), (95, 28228224), (96, 27934180), (106, 25298880), (114, 23523520), (120, 22347344), (128, 20950635), (146, 18367680), (152, 17642640), (159, 16865920), (160, 16760508), (190, 14114112), (192, 13967090), (212, 12649440), (219, 12245120), (228, 11761760), (240, 11173672), (265, 10119552), (285, 9409408), (292, 9183840), (304, 8821320), (318, 8432960), (320, 8380254), (361, 7428480), (365, 7347072), (380, 7057056), (384, 6983545), (424, 6324720), (438, 6122560), (456, 5880880), (480, 5586836), (530, 5059776), (570, 4704704), (584, 4591920), (608, 4410660), (636, 4216480), (640, 4190127), (722, 3714240), (730, 3673536), (760, 3528528), (795, 3373184), (848, 3162360), (876, 3061280), (912, 2940440), (960, 2793418), (1007, 2663040), (1060, 2529888), (1083, 2476160), (1095, 2449024), (1140, 2352352), (1168, 2295960), (1216, 2205330), (1272, 2108240), (1387, 1933440), (1444, 1857120), (1460, 1836768), (1520, 1764264), (1590, 1686592), (1696, 1581180), (1752, 1530640), (1805, 1485696), (1824, 1470220), (1920, 1396709), (2014, 1331520), (2120, 1264944), (2166, 1238080), (2190, 1224512), (2280, 1176176), (2336, 1147980), (2432, 1102665), (2544, 1054120), (2774, 966720), (2888, 928560), (2920, 918384), (3021, 887680), (3040, 882132), (3180, 843296), (3392, 790590), (3504, 765320), (3610, 742848), (3648, 735110), (3869, 693120), (4028, 665760), (4161, 644480), (4240, 632472), (4332, 619040), (4380, 612256), (4560, 588088), (4672, 573990), (5035, 532608), (5088, 527060), (5415, 495232), (5548, 483360), (5776, 464280), (5840, 459192), (6042, 443840), (6080, 441066), (6360, 421648), (6784, 395295), (6935, 386688), (7008, 382660), (7220, 371424), (7296, 367555), (7738, 346560), (8056, 332880), (8322, 322240), (8480, 316236), (8664, 309520), (8760, 306128), (9120, 294044), (9344, 286995), (10070, 266304), (10176, 263530), (10830, 247616), (11096, 241680), (11552, 232140), (11607, 231040), (11680, 229596), (12084, 221920), (12160, 220533), (12720, 210824), (13870, 193344), (14016, 191330), (14440, 185712), (15105, 177536), (15476, 173280), (16112, 166440), (16644, 161120), (16960, 158118), (17328, 154760), (17520, 153064), (18240, 147022), (19133, 140160), (19345, 138624), (20140, 133152), (20352, 131765), (20805, 128896), (21660, 123808), (22192, 120840), (23104, 116070), (23214, 115520), (23360, 114798), (24168, 110960), (25440, 105412), (26353, 101760), (27740, 96672), (28032, 95665), (28880, 92856), (30210, 88768), (30952, 86640), (32224, 83220), (33288, 80560), (33920, 79059), (34656, 77380), (35040, 76532), (36480, 73511), (38266, 70080), (38690, 69312), (40280, 66576), (41610, 64448), (43320, 61904), (44384, 60420), (46208, 58035), (46428, 57760), (46720, 57399), (48336, 55480), (50880, 52706)]

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