20123404560

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1116

約数の個数: 640

約数和(自身を含む): 85023129600

約数和(自身を除く): 64899725040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 54, 56, 60, 63, 68, 70, 72, 79, 80, 84, 85, 90, 102, 105, 108, 112, 119, 120, 126, 135, 136, 140, 144, 153, 158, 168, 170, 180, 189, 204, 210, 216, 237, 238, 240, 252, 255, 270, 272, 280, 306, 315, 316, 336, 340, 357, 360, 378, 395, 408, 420, 432, 459, 474, 476, 504, 510, 540, 553, 560, 595, 612, 630, 632, 680, 711, 714, 720, 756, 765, 790, 816, 840, 918, 945, 948, 952, 991, 1008, 1020, 1071, 1080, 1106, 1185, 1190, 1224, 1260, 1264, 1343, 1360, 1422, 1428, 1512, 1530, 1580, 1659, 1680, 1785, 1836, 1890, 1896, 1904, 1982, 2040, 2133, 2142, 2160, 2212, 2295, 2370, 2380, 2448, 2520, 2686, 2765, 2844, 2856, 2973, 3024, 3060, 3160, 3213, 3318, 3555, 3570, 3672, 3780, 3792, 3964, 4029, 4080, 4266, 4284, 4424, 4590, 4740, 4760, 4955, 4977, 5040, 5355, 5372, 5530, 5688, 5712, 5946, 6120, 6320, 6426, 6636, 6715, 6937, 7110, 7140, 7344, 7560, 7928, 8058, 8295, 8532, 8568, 8848, 8919, 9180, 9401, 9480, 9520, 9910, 9954, 10665, 10710, 10744, 11060, 11376, 11892, 12087, 12240, 12852, 13272, 13430, 13874, 14220, 14280, 14865, 14931, 15120, 15856, 16065, 16116, 16590, 16847, 17064, 17136, 17838, 18360, 18802, 18960, 19820, 19908, 20145, 20811, 21330, 21420, 21488, 22120, 23784, 24174, 24885, 25704, 26544, 26757, 26860, 27748, 28203, 28440, 28560, 29730, 29862, 32130, 32232, 33180, 33694, 34128, 34685, 35676, 36261, 36720, 37604, 39640, 39816, 40290, 41622, 42660, 42840, 44240, 44595, 47005, 47568, 48348, 49770, 50541, 51408, 53514, 53720, 55496, 56406, 56880, 59460, 59724, 60435, 62433, 64260, 64464, 66360, 67388, 69370, 71352, 72522, 74655, 75208, 78289, 79280, 79632, 80580, 83244, 84235, 84609, 85320, 85680, 89190, 94010, 96696, 99540, 101082, 104055, 107028, 107440, 110992, 112812, 117929, 118920, 119448, 120870, 124866, 128520, 132720, 133785, 134776, 138740, 141015, 142704, 145044, 149310, 150416, 151623, 156578, 161160, 166488, 168470, 169218, 170640, 178380, 181305, 187299, 188020, 193392, 199080, 202164, 208110, 214056, 225624, 234867, 235858, 237840, 238896, 241740, 249732, 252705, 253827, 257040, 267570, 269552, 277480, 282030, 290088, 298620, 303246, 312165, 313156, 322320, 332976, 336940, 338436, 353787, 356760, 362610, 374598, 376040, 391445, 398160, 404328, 416220, 423045, 428112, 451248, 454869, 469734, 471716, 483480, 499464, 505410, 507654, 535140, 548023, 554960, 564060, 580176, 589645, 597240, 606492, 624330, 626312, 673880, 676872, 704601, 707574, 713520, 725220, 749196, 752080, 758115, 782890, 808656, 832440, 846090, 909738, 936495, 939468, 943432, 966960, 998928, 1010820, 1015308, 1061361, 1070280, 1096046, 1128120, 1174335, 1179290, 1194480, 1212984, 1248660, 1252624, 1269135, 1330913, 1347760, 1353744, 1409202, 1415148, 1450440, 1498392, 1516230, 1565780, 1644069, 1664880, 1692180, 1768935, 1819476, 1872990, 1878936, 1886864, 2021640, 2030616, 2113803, 2122722, 2140560, 2192092, 2256240, 2274345, 2348670, 2358580, 2425968, 2497320, 2538270, 2661826, 2740115, 2818404, 2830296, 2900880, 2996784, 3032460, 3131560, 3184083, 3288138, 3384360, 3523005, 3537870, 3638952, 3745980, 3757872, 3992739, 4043280, 4061232, 4227606, 4245444, 4384184, 4548690, 4697340, 4717160, 4932207, 4994640, 5076540, 5306805, 5323652, 5480230, 5636808, 5660592, 6064920, 6263120, 6368166, 6576276, 6654565, 6768720, 7046010, 7075740, 7277904, 7491960, 7985478, 8220345, 8455212, 8490888, 8768368, 9097380, 9316391, 9394680, 9434320, 9864414, 10153080, 10569015, 10613610, 10647304, 10960460, 11273616, 11978217, 12129840, 12736332, 13152552, 13309130, 14092020, 14151480, 14796621, 14983920, 15920415, 15970956, 16440690, 16910424, 16981776, 18194760, 18632782, 18789360, 19728828, 19963695, 20306160, 21138030, 21227220, 21294608, 21920920, 23956434, 24661035, 25472664, 26305104, 26618260, 27949173, 28184040, 28302960, 29593242, 31840830, 31941912, 32881380, 33820848, 35934651, 36389520, 37265564, 39457656, 39927390, 42276060, 42454440, 43841840, 46581955, 47912868, 49322070, 50945328, 53236520, 55898346, 56368080, 59186484, 59891085, 63681660, 63883824, 65762760, 71869302, 73983105, 74531128, 78915312, 79854780, 83847519, 84552120, 84908880, 93163910, 95825736, 98644140, 106473040, 111796692, 118372968, 119782170, 127363320, 131525520, 139745865, 143738604, 147966210, 149062256, 159709560, 167695038, 169104240, 179673255, 186327820, 191651472, 197288280, 223593384, 236745936, 239564340, 251542557, 254726640, 279491730, 287477208, 295932420, 319419120, 335390076, 359346510, 372655640, 394576560, 419237595, 447186768, 479128680, 503085114, 558983460, 574954416, 591864840, 670780152, 718693020, 745311280, 838475190, 958257360, 1006170228, 1117966920, 1183729680, 1257712785, 1341560304, 1437386040, 1676950380, 2012340456, 2235933840, 2515425570, 2874772080, 3353900760, 4024680912, 5030851140, 6707801520, 10061702280, 20123404560]

約数ペア:

[(1, 20123404560), (2, 10061702280), (3, 6707801520), (4, 5030851140), (5, 4024680912), (6, 3353900760), (7, 2874772080), (8, 2515425570), (9, 2235933840), (10, 2012340456), (12, 1676950380), (14, 1437386040), (15, 1341560304), (16, 1257712785), (17, 1183729680), (18, 1117966920), (20, 1006170228), (21, 958257360), (24, 838475190), (27, 745311280), (28, 718693020), (30, 670780152), (34, 591864840), (35, 574954416), (36, 558983460), (40, 503085114), (42, 479128680), (45, 447186768), (48, 419237595), (51, 394576560), (54, 372655640), (56, 359346510), (60, 335390076), (63, 319419120), (68, 295932420), (70, 287477208), (72, 279491730), (79, 254726640), (80, 251542557), (84, 239564340), (85, 236745936), (90, 223593384), (102, 197288280), (105, 191651472), (108, 186327820), (112, 179673255), (119, 169104240), (120, 167695038), (126, 159709560), (135, 149062256), (136, 147966210), (140, 143738604), (144, 139745865), (153, 131525520), (158, 127363320), (168, 119782170), (170, 118372968), (180, 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16440690), (1260, 15970956), (1264, 15920415), (1343, 14983920), (1360, 14796621), (1422, 14151480), (1428, 14092020), (1512, 13309130), (1530, 13152552), (1580, 12736332), (1659, 12129840), (1680, 11978217), (1785, 11273616), (1836, 10960460), (1890, 10647304), (1896, 10613610), (1904, 10569015), (1982, 10153080), (2040, 9864414), (2133, 9434320), (2142, 9394680), (2160, 9316391), (2212, 9097380), (2295, 8768368), (2370, 8490888), (2380, 8455212), (2448, 8220345), (2520, 7985478), (2686, 7491960), (2765, 7277904), (2844, 7075740), (2856, 7046010), (2973, 6768720), (3024, 6654565), (3060, 6576276), (3160, 6368166), (3213, 6263120), (3318, 6064920), (3555, 5660592), (3570, 5636808), (3672, 5480230), (3780, 5323652), (3792, 5306805), (3964, 5076540), (4029, 4994640), (4080, 4932207), (4266, 4717160), (4284, 4697340), (4424, 4548690), (4590, 4384184), (4740, 4245444), (4760, 4227606), (4955, 4061232), (4977, 4043280), (5040, 3992739), (5355, 3757872), (5372, 3745980), (5530, 3638952), (5688, 3537870), (5712, 3523005), (5946, 3384360), (6120, 3288138), (6320, 3184083), (6426, 3131560), (6636, 3032460), (6715, 2996784), (6937, 2900880), (7110, 2830296), (7140, 2818404), (7344, 2740115), (7560, 2661826), (7928, 2538270), (8058, 2497320), (8295, 2425968), (8532, 2358580), (8568, 2348670), (8848, 2274345), (8919, 2256240), (9180, 2192092), (9401, 2140560), (9480, 2122722), (9520, 2113803), (9910, 2030616), (9954, 2021640), (10665, 1886864), (10710, 1878936), (10744, 1872990), (11060, 1819476), (11376, 1768935), (11892, 1692180), (12087, 1664880), (12240, 1644069), (12852, 1565780), (13272, 1516230), (13430, 1498392), (13874, 1450440), (14220, 1415148), (14280, 1409202), (14865, 1353744), (14931, 1347760), (15120, 1330913), (15856, 1269135), (16065, 1252624), (16116, 1248660), (16590, 1212984), (16847, 1194480), (17064, 1179290), (17136, 1174335), (17838, 1128120), (18360, 1096046), (18802, 1070280), (18960, 1061361), (19820, 1015308), (19908, 1010820), (20145, 998928), (20811, 966960), (21330, 943432), (21420, 939468), (21488, 936495), (22120, 909738), (23784, 846090), (24174, 832440), (24885, 808656), (25704, 782890), (26544, 758115), (26757, 752080), (26860, 749196), (27748, 725220), (28203, 713520), (28440, 707574), (28560, 704601), (29730, 676872), (29862, 673880), (32130, 626312), (32232, 624330), (33180, 606492), (33694, 597240), (34128, 589645), (34685, 580176), (35676, 564060), (36261, 554960), (36720, 548023), (37604, 535140), (39640, 507654), (39816, 505410), (40290, 499464), (41622, 483480), (42660, 471716), (42840, 469734), (44240, 454869), (44595, 451248), (47005, 428112), (47568, 423045), (48348, 416220), (49770, 404328), (50541, 398160), (51408, 391445), (53514, 376040), (53720, 374598), (55496, 362610), (56406, 356760), (56880, 353787), (59460, 338436), (59724, 336940), (60435, 332976), (62433, 322320), (64260, 313156), (64464, 312165), (66360, 303246), (67388, 298620), (69370, 290088), (71352, 282030), (72522, 277480), (74655, 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