20864099880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:144

約数の個数: 960

約数和(自身を含む): 84987302400

約数和(自身を除く): 64123202520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 27, 29, 30, 31, 36, 38, 39, 40, 45, 52, 54, 57, 58, 60, 62, 65, 72, 76, 78, 81, 87, 90, 93, 95, 104, 108, 114, 116, 117, 120, 124, 130, 135, 145, 152, 155, 156, 162, 171, 174, 180, 186, 190, 195, 216, 228, 232, 234, 247, 248, 260, 261, 270, 279, 285, 290, 310, 312, 324, 342, 348, 351, 360, 372, 377, 380, 390, 403, 405, 435, 456, 465, 468, 494, 513, 520, 522, 540, 551, 558, 570, 580, 585, 589, 620, 648, 684, 696, 702, 741, 744, 754, 760, 780, 783, 806, 810, 837, 841, 855, 870, 899, 930, 936, 988, 1026, 1044, 1053, 1080, 1102, 1116, 1131, 1140, 1160, 1170, 1178, 1209, 1235, 1240, 1305, 1368, 1395, 1404, 1482, 1508, 1539, 1560, 1566, 1612, 1620, 1653, 1674, 1682, 1710, 1740, 1755, 1767, 1798, 1860, 1885, 1976, 2015, 2052, 2088, 2106, 2204, 2223, 2232, 2262, 2280, 2340, 2349, 2356, 2418, 2470, 2511, 2523, 2565, 2610, 2697, 2755, 2790, 2808, 2945, 2964, 3016, 3078, 3132, 3224, 3240, 3306, 3348, 3364, 3393, 3420, 3480, 3510, 3534, 3596, 3627, 3705, 3720, 3770, 3915, 4030, 4104, 4185, 4205, 4212, 4408, 4446, 4495, 4524, 4680, 4698, 4712, 4836, 4940, 4959, 5022, 5046, 5130, 5220, 5265, 5301, 5394, 5510, 5580, 5655, 5890, 5928, 6045, 6156, 6264, 6612, 6669, 6696, 6728, 6786, 6840, 7020, 7068, 7163, 7192, 7254, 7410, 7540, 7569, 7657, 7695, 7830, 8060, 8091, 8265, 8370, 8410, 8424, 8835, 8892, 8990, 9048, 9396, 9672, 9880, 9918, 10044, 10092, 10179, 10260, 10440, 10530, 10602, 10788, 10881, 10933, 11020, 11115, 11160, 11310, 11687, 11745, 11780, 12090, 12312, 12555, 12615, 13224, 13338, 13485, 13572, 14040, 14136, 14326, 14508, 14820, 14877, 15080, 15138, 15314, 15390, 15660, 15903, 15979, 16120, 16182, 16530, 16740, 16820, 16965, 17081, 17670, 17784, 17980, 18135, 18792, 19836, 20007, 20088, 20184, 20358, 20520, 21060, 21204, 21489, 21576, 21762, 21866, 22040, 22230, 22620, 22707, 22971, 23374, 23490, 23560, 24180, 24273, 24795, 25110, 25230, 26071, 26505, 26676, 26970, 27144, 28652, 29016, 29640, 29754, 30276, 30537, 30628, 30780, 31320, 31806, 31958, 32364, 32643, 32799, 33060, 33345, 33480, 33640, 33930, 34162, 35061, 35340, 35815, 35960, 36270, 37845, 38285, 39672, 40014, 40455, 40716, 42120, 42408, 42978, 43524, 43732, 44460, 44631, 45240, 45414, 45942, 46748, 46980, 47709, 47937, 48360, 48546, 49590, 50220, 50460, 50895, 51243, 52142, 53010, 53352, 53940, 54405, 54665, 57304, 58435, 59508, 60552, 61074, 61256, 61560, 63612, 63916, 64467, 64728, 65286, 65598, 66120, 66690, 67860, 68121, 68324, 68913, 70122, 70680, 71630, 72540, 72819, 74385, 75690, 76570, 78213, 79515, 79895, 80028, 80910, 81432, 85405, 85956, 87048, 87464, 88920, 89262, 90828, 91884, 93496, 93960, 95418, 95874, 97092, 98397, 99180, 100035, 100440, 100920, 101790, 102486, 104284, 105183, 106020, 107445, 107880, 108810, 109330, 113535, 114855, 116870, 119016, 121365, 122148, 127224, 127832, 128934, 130355, 130572, 131196, 133380, 135720, 136242, 136648, 137826, 140244, 143260, 143811, 145080, 145638, 148770, 151380, 152685, 153140, 153729, 156426, 159030, 159790, 160056, 161820, 163215, 163995, 170810, 171912, 175305, 178524, 181656, 183768, 190836, 191748, 193401, 194184, 196794, 198360, 200070, 203580, 204972, 206739, 207727, 208568, 210366, 212040, 214890, 217620, 218660, 222053, 223155, 227070, 229710, 233740, 234639, 238545, 239685, 242730, 244296, 256215, 257868, 260710, 261144, 262392, 266760, 272484, 275652, 280488, 286520, 287622, 291276, 295191, 297540, 302760, 305370, 306280, 307458, 312852, 315549, 318060, 319580, 322335, 323640, 326430, 327990, 338923, 340605, 341620, 344565, 350610, 357048, 364095, 381672, 383496, 386802, 391065, 393588, 400140, 407160, 409944, 413478, 415454, 420732, 429780, 431433, 435240, 437320, 444106, 446310, 454140, 459420, 461187, 467480, 469278, 477090, 479370, 485460, 491985, 495349, 512430, 515736, 521420, 525915, 544968, 551304, 575244, 580203, 582552, 590382, 595080, 610740, 614916, 620217, 623181, 625704, 631098, 636120, 639160, 644670, 652860, 655980, 666159, 677846, 681210, 683240, 689130, 701220, 703917, 719055, 728190, 768645, 773604, 782130, 787176, 800280, 826956, 830908, 841464, 859560, 862866, 885573, 888212, 892620, 908280, 918840, 922374, 938556, 946647, 954180, 958740, 967005, 970920, 983970, 990698, 1016769, 1024860, 1033695, 1038635, 1042840, 1051830, 1110265, 1150488, 1160406, 1173195, 1180764, 1221480, 1229832, 1240434, 1246362, 1262196, 1289340, 1294299, 1305720, 1311960, 1332318, 1355692, 1362420, 1378260, 1383561, 1402440, 1407834, 1438110, 1456380, 1475955, 1486047, 1537290, 1547208, 1564260, 1577745, 1653912, 1661816, 1694615, 1725732, 1771146, 1776424, 1785240, 1844748, 1869543, 1877112, 1893294, 1908360, 1917480, 1934010, 1967940, 1981396, 1998477, 2033538, 2049720, 2067390, 2077270, 2103660, 2111751, 2157165, 2220530, 2305935, 2320812, 2346390, 2361528, 2476745, 2480868, 2492724, 2524392, 2578680, 2588598, 2664636, 2711384, 2724840, 2756520, 2767122, 2815668, 2876220, 2901015, 2912760, 2951910, 2972094, 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約数ペア:

[(1, 20864099880), (2, 10432049940), (3, 6954699960), (4, 5216024970), (5, 4172819976), (6, 3477349980), (8, 2608012485), (9, 2318233320), (10, 2086409988), (12, 1738674990), (13, 1604930760), (15, 1390939992), (18, 1159116660), (19, 1098110520), (20, 1043204994), (24, 869337495), (26, 802465380), (27, 772744440), (29, 719451720), (30, 695469996), (31, 673035480), (36, 579558330), (38, 549055260), (39, 534976920), (40, 521602497), (45, 463646664), (52, 401232690), (54, 386372220), (57, 366036840), (58, 359725860), (60, 347734998), (62, 336517740), (65, 320986152), (72, 289779165), (76, 274527630), (78, 267488460), (81, 257581480), (87, 239817240), (90, 231823332), (93, 224345160), (95, 219622104), (104, 200616345), (108, 193186110), (114, 183018420), (116, 179862930), (117, 178325640), (120, 173867499), (124, 168258870), (130, 160493076), (135, 154548888), (145, 143890344), (152, 137263815), (155, 134607096), (156, 133744230), (162, 128790740), (171, 122012280), (174, 119908620), (180, 115911666), (186, 112172580), (190, 109811052), (195, 106995384), (216, 96593055), (228, 91509210), (232, 89931465), (234, 89162820), (247, 84470040), (248, 84129435), (260, 80246538), (261, 79939080), (270, 77274444), (279, 74781720), (285, 73207368), (290, 71945172), (310, 67303548), (312, 66872115), (324, 64395370), (342, 61006140), (348, 59954310), (351, 59441880), (360, 57955833), (372, 56086290), (377, 55342440), (380, 54905526), (390, 53497692), (403, 51771960), (405, 51516296), (435, 47963448), (456, 45754605), (465, 44869032), (468, 44581410), (494, 42235020), (513, 40670760), (520, 40123269), (522, 39969540), (540, 38637222), (551, 37865880), (558, 37390860), (570, 36603684), (580, 35972586), (585, 35665128), (589, 35422920), (620, 33651774), (648, 32197685), (684, 30503070), (696, 29977155), (702, 29720940), (741, 28156680), (744, 28043145), (754, 27671220), (760, 27452763), (780, 26748846), (783, 26646360), (806, 25885980), (810, 25758148), (837, 24927240), (841, 24808680), (855, 24402456), (870, 23981724), (899, 23208120), (930, 22434516), (936, 22290705), (988, 21117510), (1026, 20335380), (1044, 19984770), (1053, 19813960), (1080, 19318611), (1102, 18932940), (1116, 18695430), (1131, 18447480), (1140, 18301842), (1160, 17986293), (1170, 17832564), (1178, 17711460), (1209, 17257320), (1235, 16894008), (1240, 16825887), (1305, 15987816), (1368, 15251535), (1395, 14956344), (1404, 14860470), (1482, 14078340), (1508, 13835610), (1539, 13556920), (1560, 13374423), (1566, 13323180), (1612, 12942990), (1620, 12879074), (1653, 12621960), (1674, 12463620), (1682, 12404340), (1710, 12201228), (1740, 11990862), (1755, 11888376), (1767, 11807640), (1798, 11604060), (1860, 11217258), (1885, 11068488), (1976, 10558755), (2015, 10354392), (2052, 10167690), (2088, 9992385), (2106, 9906980), (2204, 9466470), (2223, 9385560), (2232, 9347715), (2262, 9223740), (2280, 9150921), (2340, 8916282), (2349, 8882120), (2356, 8855730), (2418, 8628660), (2470, 8447004), (2511, 8309080), (2523, 8269560), (2565, 8134152), (2610, 7993908), (2697, 7736040), (2755, 7573176), (2790, 7478172), (2808, 7430235), (2945, 7084584), (2964, 7039170), (3016, 6917805), (3078, 6778460), (3132, 6661590), (3224, 6471495), (3240, 6439537), (3306, 6310980), (3348, 6231810), (3364, 6202170), (3393, 6149160), (3420, 6100614), (3480, 5995431), (3510, 5944188), (3534, 5903820), (3596, 5802030), (3627, 5752440), (3705, 5631336), (3720, 5608629), (3770, 5534244), (3915, 5329272), (4030, 5177196), (4104, 5083845), (4185, 4985448), (4205, 4961736), (4212, 4953490), (4408, 4733235), (4446, 4692780), (4495, 4641624), (4524, 4611870), (4680, 4458141), (4698, 4441060), (4712, 4427865), (4836, 4314330), (4940, 4223502), (4959, 4207320), (5022, 4154540), (5046, 4134780), (5130, 4067076), (5220, 3996954), (5265, 3962792), (5301, 3935880), (5394, 3868020), (5510, 3786588), (5580, 3739086), (5655, 3689496), (5890, 3542292), (5928, 3519585), (6045, 3451464), (6156, 3389230), (6264, 3330795), (6612, 3155490), (6669, 3128520), (6696, 3115905), (6728, 3101085), (6786, 3074580), (6840, 3050307), (7020, 2972094), (7068, 2951910), (7163, 2912760), (7192, 2901015), (7254, 2876220), (7410, 2815668), (7540, 2767122), (7569, 2756520), (7657, 2724840), (7695, 2711384), (7830, 2664636), (8060, 2588598), (8091, 2578680), (8265, 2524392), (8370, 2492724), (8410, 2480868), (8424, 2476745), (8835, 2361528), (8892, 2346390), (8990, 2320812), (9048, 2305935), (9396, 2220530), (9672, 2157165), (9880, 2111751), (9918, 2103660), (10044, 2077270), (10092, 2067390), (10179, 2049720), (10260, 2033538), (10440, 1998477), (10530, 1981396), (10602, 1967940), (10788, 1934010), (10881, 1917480), (10933, 1908360), (11020, 1893294), (11115, 1877112), (11160, 1869543), (11310, 1844748), (11687, 1785240), (11745, 1776424), (11780, 1771146), (12090, 1725732), (12312, 1694615), (12555, 1661816), (12615, 1653912), (13224, 1577745), (13338, 1564260), (13485, 1547208), (13572, 1537290), (14040, 1486047), (14136, 1475955), (14326, 1456380), (14508, 1438110), (14820, 1407834), (14877, 1402440), (15080, 1383561), (15138, 1378260), (15314, 1362420), (15390, 1355692), (15660, 1332318), (15903, 1311960), (15979, 1305720), (16120, 1294299), (16182, 1289340), (16530, 1262196), (16740, 1246362), (16820, 1240434), (16965, 1229832), (17081, 1221480), (17670, 1180764), (17784, 1173195), (17980, 1160406), (18135, 1150488), (18792, 1110265), (19836, 1051830), (20007, 1042840), (20088, 1038635), (20184, 1033695), (20358, 1024860), (20520, 1016769), (21060, 990698), (21204, 983970), (21489, 970920), (21576, 967005), (21762, 958740), (21866, 954180), (22040, 946647), (22230, 938556), (22620, 922374), (22707, 918840), (22971, 908280), (23374, 892620), (23490, 888212), (23560, 885573), (24180, 862866), (24273, 859560), (24795, 841464), (25110, 830908), (25230, 826956), (26071, 800280), (26505, 787176), (26676, 782130), (26970, 773604), (27144, 768645), (28652, 728190), (29016, 719055), (29640, 703917), (29754, 701220), (30276, 689130), (30537, 683240), (30628, 681210), (30780, 677846), (31320, 666159), (31806, 655980), (31958, 652860), (32364, 644670), (32643, 639160), (32799, 636120), (33060, 631098), (33345, 625704), (33480, 623181), (33640, 620217), (33930, 614916), (34162, 610740), (35061, 595080), (35340, 590382), (35815, 582552), (35960, 580203), (36270, 575244), (37845, 551304), (38285, 544968), (39672, 525915), (40014, 521420), (40455, 515736), (40716, 512430), (42120, 495349), (42408, 491985), (42978, 485460), (43524, 479370), (43732, 477090), (44460, 469278), (44631, 467480), (45240, 461187), (45414, 459420), (45942, 454140), (46748, 446310), (46980, 444106), (47709, 437320), (47937, 435240), (48360, 431433), (48546, 429780), (49590, 420732), (50220, 415454), (50460, 413478), (50895, 409944), (51243, 407160), (52142, 400140), (53010, 393588), (53352, 391065), (53940, 386802), (54405, 383496), (54665, 381672), (57304, 364095), (58435, 357048), (59508, 350610), (60552, 344565), (61074, 341620), (61256, 340605), (61560, 338923), (63612, 327990), (63916, 326430), (64467, 323640), (64728, 322335), (65286, 319580), (65598, 318060), (66120, 315549), (66690, 312852), (67860, 307458), (68121, 306280), (68324, 305370), (68913, 302760), (70122, 297540), (70680, 295191), (71630, 291276), (72540, 287622), (72819, 286520), (74385, 280488), (75690, 275652), (76570, 272484), (78213, 266760), (79515, 262392), (79895, 261144), (80028, 260710), (80910, 257868), (81432, 256215), (85405, 244296), (85956, 242730), (87048, 239685), (87464, 238545), (88920, 234639), (89262, 233740), (90828, 229710), (91884, 227070), (93496, 223155), (93960, 222053), (95418, 218660), (95874, 217620), (97092, 214890), (98397, 212040), (99180, 210366), (100035, 208568), (100440, 207727), (100920, 206739), (101790, 204972), (102486, 203580), (104284, 200070), (105183, 198360), (106020, 196794), (107445, 194184), (107880, 193401), (108810, 191748), (109330, 190836), (113535, 183768), (114855, 181656), (116870, 178524), (119016, 175305), (121365, 171912), (122148, 170810), (127224, 163995), (127832, 163215), (128934, 161820), (130355, 160056), (130572, 159790), (131196, 159030), (133380, 156426), (135720, 153729), (136242, 153140), (136648, 152685), (137826, 151380), (140244, 148770), (143260, 145638), (143811, 145080)]