20720905920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:622

約数の個数: 896

約数和(自身を含む): 88812380160

約数和(自身を除く): 68091474240

約数列:

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3410, 3432, 3510, 3520, 3627, 3720, 3744, 3861, 3960, 4030, 4092, 4160, 4185, 4290, 4320, 4328, 4433, 4464, 4576, 4680, 4752, 4836, 4869, 4960, 5115, 5148, 5280, 5410, 5456, 5580, 5616, 5720, 5940, 5951, 5952, 6045, 6138, 6240, 6336, 6435, 6448, 6492, 6696, 6820, 6864, 7020, 7033, 7254, 7440, 7488, 7722, 7920, 8060, 8115, 8184, 8370, 8580, 8640, 8656, 8866, 8928, 9152, 9207, 9360, 9504, 9672, 9738, 9920, 10230, 10296, 10560, 10820, 10881, 10912, 11160, 11232, 11440, 11880, 11902, 12090, 12276, 12480, 12870, 12896, 12984, 13299, 13392, 13640, 13728, 14040, 14066, 14508, 14607, 14880, 15345, 15444, 15840, 16120, 16230, 16368, 16740, 16771, 17160, 17312, 17732, 17853, 17856, 18135, 18414, 18720, 19008, 19305, 19344, 19476, 20460, 20592, 21099, 21640, 21762, 21824, 22165, 22320, 22464, 22880, 23760, 23804, 24180, 24345, 24552, 25740, 25792, 25968, 26598, 26784, 27280, 27456, 28080, 28132, 29016, 29214, 29755, 29760, 30690, 30888, 31680, 32240, 32460, 32736, 33480, 33542, 34320, 34624, 35165, 35464, 35706, 36270, 36828, 37440, 38610, 38688, 38952, 39897, 40920, 41184, 42198, 43280, 43524, 44330, 44640, 45760, 46035, 47520, 47608, 48360, 48690, 49104, 50313, 51480, 51936, 53196, 53559, 53568, 54405, 54560, 56160, 56264, 58032, 58428, 59510, 61380, 61776, 63297, 64480, 64920, 65472, 66495, 66960, 67084, 68640, 70330, 70928, 71412, 72540, 73035, 73656, 77220, 77363, 77376, 77904, 79794, 81840, 82368, 83855, 84396, 86560, 87048, 88660, 89265, 89280, 92070, 95040, 95216, 96720, 97380, 98208, 100626, 102960, 103872, 105495, 106392, 107118, 108810, 109120, 112320, 112528, 116064, 116856, 119020, 119691, 122760, 123552, 126594, 128960, 129840, 132990, 133920, 134168, 137280, 140660, 141856, 142824, 145080, 146070, 147312, 150939, 154440, 154726, 155808, 159588, 160677, 163680, 167710, 168792, 173120, 174096, 177320, 178530, 184140, 184481, 189891, 190432, 193440, 194760, 196416, 199485, 201252, 205920, 210990, 212784, 214236, 217620, 218023, 225056, 232089, 232128, 233712, 238040, 239382, 245520, 247104, 251565, 253188, 259680, 265980, 267795, 267840, 268336, 281320, 283712, 285648, 290160, 292140, 294624, 301878, 308880, 309452, 311616, 316485, 319176, 321354, 327360, 335420, 337584, 348192, 354640, 357060, 368280, 368962, 379782, 380864, 386815, 386880, 389520, 398970, 402504, 411840, 421980, 425568, 428472, 435240, 436046, 450112, 452817, 464178, 467424, 476080, 478764, 491040, 503130, 506376, 519360, 531960, 535590, 536672, 553443, 562640, 571296, 580320, 584280, 589248, 598455, 603756, 617760, 618904, 632970, 638352, 642708, 654069, 670840, 675168, 696267, 696384, 709280, 714120, 736560, 737924, 754695, 759564, 773630, 779040, 797940, 803385, 805008, 843960, 851136, 856944, 870480, 872092, 905634, 922405, 928356, 934848, 949455, 952160, 957528, 982080, 1006260, 1012752, 1063920, 1071180, 1073344, 1090115, 1106886, 1125280, 1142592, 1160445, 1160640, 1168560, 1196910, 1207512, 1235520, 1237808, 1265940, 1276704, 1285416, 1308138, 1341680, 1350336, 1392534, 1418560, 1428240, 1473120, 1475848, 1509390, 1519128, 1547260, 1558080, 1595880, 1606770, 1610016, 1660329, 1687920, 1713888, 1740960, 1744184, 1811268, 1844810, 1856712, 1898910, 1904320, 1915056, 1962207, 2012520, 2025504, 2088801, 2127840, 2142360, 2180230, 2213772, 2250560, 2264085, 2320890, 2337120, 2393820, 2398253, 2415024, 2475616, 2531880, 2553408, 2570832, 2616276, 2683360, 2767215, 2785068, 2856480, 2946240, 2951696, 3018780, 3038256, 3094520, 3191760, 3213540, 3220032, 3270345, 3320658, 3375840, 3427776, 3481335, 3481920, 3488368, 3622536, 3689620, 3713424, 3797820, 3830112, 3924414, 4025040, 4051008, 4177602, 4255680, 4284720, 4360460, 4427544, 4528170, 4641780, 4674240, 4787640, 4796506, 4830048, 4951232, 4980987, 5063760, 5141664, 5232552, 5366720, 5534430, 5570136, 5712960, 5886621, 5903392, 6037560, 6076512, 6189040, 6383520, 6427080, 6540690, 6641316, 6751680, 6962670, 6976736, 7194759, 7245072, 7379240, 7426848, 7595640, 7660224, 7848828, 8050080, 8301645, 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約数ペア:

[(1, 20720905920), (2, 10360452960), (3, 6906968640), (4, 5180226480), (5, 4144181184), (6, 3453484320), (8, 2590113240), (9, 2302322880), (10, 2072090592), (11, 1883718720), (12, 1726742160), (13, 1593915840), (15, 1381393728), (16, 1295056620), (18, 1151161440), (20, 1036045296), (22, 941859360), (24, 863371080), (26, 796957920), (27, 767440960), (30, 690696864), (31, 668416320), (32, 647528310), (33, 627906240), (36, 575580720), (39, 531305280), (40, 518022648), (44, 470929680), (45, 460464576), (48, 431685540), (52, 398478960), (54, 383720480), (55, 376743744), (60, 345348432), (62, 334208160), (64, 323764155), (65, 318783168), (66, 313953120), (72, 287790360), (78, 265652640), (80, 259011324), (88, 235464840), (90, 230232288), (93, 222805440), (96, 215842770), (99, 209302080), (104, 199239480), (108, 191860240), (110, 188371872), (117, 177101760), (120, 172674216), (124, 167104080), (130, 159391584), (132, 156976560), (135, 153488192), (143, 144901440), (144, 143895180), (155, 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29433105), (715, 28980288), (720, 28779036), (744, 27850680), (780, 26565264), (792, 26162760), (806, 25708320), (832, 24904935), (837, 24756160), (858, 24150240), (864, 23982530), (880, 23546484), (930, 22280544), (936, 22137720), (960, 21584277), (990, 20930208), (992, 20888010), (1023, 20255040), (1040, 19923948), (1056, 19622070), (1080, 19186024), (1082, 19150560), (1116, 18567120), (1144, 18112680), (1170, 17710176), (1188, 17441840), (1209, 17138880), (1240, 16710408), (1248, 16603290), (1287, 16100160), (1320, 15697656), (1364, 15191280), (1395, 14853696), (1404, 14758480), (1430, 14490144), (1440, 14389518), (1485, 13953472), (1488, 13925340), (1560, 13282632), (1584, 13081380), (1612, 12854160), (1623, 12767040), (1674, 12378080), (1705, 12153024), (1716, 12075120), (1728, 11991265), (1755, 11806784), (1760, 11773242), (1860, 11140272), (1872, 11068860), (1980, 10465104), (1984, 10444005), (2015, 10283328), (2046, 10127520), (2080, 9961974), (2112, 9811035), (2145, 9660096), (2160, 9593012), (2164, 9575280), (2232, 9283560), (2288, 9056340), (2340, 8855088), (2376, 8720920), (2418, 8569440), (2480, 8355204), (2496, 8301645), (2574, 8050080), (2640, 7848828), (2705, 7660224), (2728, 7595640), (2790, 7426848), (2808, 7379240), (2860, 7245072), (2880, 7194759), (2970, 6976736), (2976, 6962670), (3069, 6751680), (3120, 6641316), (3168, 6540690), (3224, 6427080), (3246, 6383520), (3348, 6189040), (3410, 6076512), (3432, 6037560), (3510, 5903392), (3520, 5886621), (3627, 5712960), (3720, 5570136), (3744, 5534430), (3861, 5366720), (3960, 5232552), (4030, 5141664), (4092, 5063760), (4160, 4980987), (4185, 4951232), (4290, 4830048), (4320, 4796506), (4328, 4787640), (4433, 4674240), (4464, 4641780), (4576, 4528170), (4680, 4427544), (4752, 4360460), (4836, 4284720), (4869, 4255680), (4960, 4177602), (5115, 4051008), (5148, 4025040), (5280, 3924414), (5410, 3830112), (5456, 3797820), (5580, 3713424), (5616, 3689620), (5720, 3622536), (5940, 3488368), (5951, 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(77363, 267840), (77376, 267795), (77904, 265980), (79794, 259680), (81840, 253188), (82368, 251565), (83855, 247104), (84396, 245520), (86560, 239382), (87048, 238040), (88660, 233712), (89265, 232128), (89280, 232089), (92070, 225056), (95040, 218023), (95216, 217620), (96720, 214236), (97380, 212784), (98208, 210990), (100626, 205920), (102960, 201252), (103872, 199485), (105495, 196416), (106392, 194760), (107118, 193440), (108810, 190432), (109120, 189891), (112320, 184481), (112528, 184140), (116064, 178530), (116856, 177320), (119020, 174096), (119691, 173120), (122760, 168792), (123552, 167710), (126594, 163680), (128960, 160677), (129840, 159588), (132990, 155808), (133920, 154726), (134168, 154440), (137280, 150939), (140660, 147312), (141856, 146070), (142824, 145080)]