20978539920

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:334

約数の個数: 960

約数和(自身を含む): 88036865280

約数和(自身を除く): 67058325360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 19, 20, 24, 26, 27, 30, 34, 36, 38, 39, 40, 45, 48, 51, 52, 54, 57, 60, 65, 68, 72, 76, 78, 80, 81, 85, 90, 95, 102, 104, 108, 114, 117, 120, 130, 135, 136, 144, 152, 153, 156, 162, 170, 171, 180, 190, 195, 204, 208, 216, 221, 228, 234, 240, 243, 247, 255, 257, 260, 270, 272, 285, 304, 306, 312, 323, 324, 340, 342, 351, 360, 380, 390, 405, 408, 432, 442, 456, 459, 468, 486, 494, 510, 513, 514, 520, 540, 570, 585, 612, 624, 646, 648, 663, 680, 684, 702, 720, 741, 760, 765, 771, 780, 810, 816, 855, 884, 912, 918, 936, 969, 972, 988, 1020, 1026, 1028, 1040, 1053, 1080, 1105, 1140, 1170, 1215, 1224, 1235, 1285, 1292, 1296, 1326, 1360, 1368, 1377, 1404, 1482, 1520, 1530, 1539, 1542, 1560, 1615, 1620, 1710, 1755, 1768, 1836, 1872, 1938, 1944, 1976, 1989, 2040, 2052, 2056, 2106, 2160, 2210, 2223, 2280, 2295, 2313, 2340, 2430, 2448, 2470, 2565, 2570, 2584, 2652, 2736, 2754, 2808, 2907, 2964, 3060, 3078, 3084, 3120, 3159, 3230, 3240, 3315, 3341, 3420, 3510, 3536, 3672, 3705, 3855, 3876, 3888, 3952, 3978, 4080, 4104, 4112, 4131, 4199, 4212, 4369, 4420, 4446, 4560, 4590, 4617, 4626, 4680, 4845, 4860, 4883, 4940, 5130, 5140, 5168, 5265, 5304, 5508, 5616, 5814, 5928, 5967, 6120, 6156, 6168, 6318, 6460, 6480, 6630, 6669, 6682, 6840, 6885, 6939, 7020, 7344, 7410, 7695, 7710, 7752, 7956, 8208, 8262, 8398, 8424, 8721, 8738, 8840, 8892, 9180, 9234, 9252, 9360, 9690, 9720, 9766, 9880, 9945, 10023, 10260, 10280, 10530, 10608, 11016, 11115, 11565, 11628, 11856, 11934, 12240, 12312, 12336, 12597, 12636, 12920, 13107, 13260, 13338, 13364, 13680, 13770, 13878, 14040, 14535, 14649, 14820, 15390, 15420, 15504, 15795, 15912, 16524, 16705, 16796, 16848, 17442, 17476, 17680, 17784, 17901, 18360, 18468, 18504, 19380, 19440, 19532, 19760, 19890, 20007, 20046, 20520, 20560, 20655, 20817, 20995, 21060, 21845, 22032, 22230, 23085, 23130, 23256, 23868, 24415, 24624, 25194, 25272, 25840, 26163, 26214, 26520, 26676, 26728, 27540, 27756, 28080, 29070, 29298, 29640, 29835, 30069, 30780, 30840, 31590, 31824, 33048, 33345, 33410, 33592, 34695, 34884, 34952, 35568, 35802, 36720, 36936, 37008, 37791, 38760, 39064, 39321, 39780, 40014, 40092, 41040, 41310, 41634, 41990, 42120, 43605, 43690, 43947, 44460, 46170, 46260, 46512, 47736, 48830, 50115, 50388, 50544, 52326, 52428, 53040, 53352, 53456, 53703, 55080, 55512, 56797, 58140, 58596, 59280, 59670, 60021, 60138, 61560, 61680, 62451, 62985, 63180, 63479, 65535, 66096, 66690, 66820, 67184, 69390, 69768, 69904, 71604, 73245, 73872, 75582, 77520, 78128, 78489, 78642, 79560, 80028, 80184, 82620, 83011, 83268, 83980, 84240, 87210, 87380, 87894, 88920, 89505, 90207, 92340, 92520, 95472, 97660, 100035, 100230, 100776, 104085, 104652, 104856, 106704, 107406, 110160, 111024, 113373, 113594, 116280, 117192, 117963, 119340, 120042, 120276, 123120, 124902, 125970, 126360, 126958, 130815, 131070, 131841, 133380, 133640, 138780, 139536, 143208, 146490, 150345, 151164, 156978, 157284, 159120, 160056, 160368, 165240, 166022, 166536, 167960, 170391, 174420, 174760, 175788, 177840, 179010, 180414, 184680, 185040, 188955, 190437, 195320, 196605, 200070, 200460, 201552, 208170, 209304, 209712, 214812, 219735, 226746, 227188, 232560, 234384, 235926, 238680, 240084, 240552, 249033, 249804, 251940, 252720, 253916, 261630, 262140, 263682, 266760, 267280, 268515, 270621, 277560, 283985, 286416, 292980, 300105, 300690, 302328, 312255, 313956, 314568, 317395, 320112, 330480, 332044, 333072, 335920, 340119, 340782, 348840, 349520, 351576, 353889, 358020, 360828, 369360, 377910, 380874, 390640, 392445, 393210, 395523, 400140, 400920, 415055, 416340, 418608, 429624, 439470, 451035, 453492, 454376, 471852, 477360, 480168, 481104, 498066, 499608, 503880, 507832, 511173, 523260, 524280, 527364, 533520, 537030, 541242, 555120, 566865, 567970, 571311, 585960, 589815, 600210, 601380, 604656, 624510, 627912, 629136, 634790, 659205, 664088, 680238, 681564, 697680, 703152, 707778, 716040, 721656, 747099, 755820, 761748, 784890, 786420, 791046, 800280, 801840, 811863, 830110, 832680, 851955, 859248, 878940, 902070, 906984, 908752, 943704, 952185, 960336, 996132, 999216, 1007760, 1015664, 1020357, 1022346, 1046520, 1048560, 1054728, 1061667, 1074060, 1079143, 1082484, 1133730, 1135940, 1142622, 1171920, 1179630, 1186569, 1200420, 1202760, 1245165, 1249020, 1255824, 1269580, 1318410, 1328176, 1353105, 1360476, 1363128, 1415556, 1432080, 1443312, 1494198, 1511640, 1523496, 1533519, 1569780, 1572840, 1582092, 1600560, 1623726, 1660220, 1665360, 1700595, 1703910, 1713933, 1757880, 1769445, 1804140, 1813968, 1887408, 1904370, 1977615, 1992264, 2040714, 2044692, 2093040, 2109456, 2123334, 2148120, 2158286, 2164968, 2241297, 2267460, 2271880, 2285244, 2359260, 2373138, 2400840, 2405520, 2490330, 2498040, 2539160, 2555865, 2636820, 2706210, 2720952, 2726256, 2831112, 2856555, 2988396, 3023280, 3046992, 3067038, 3139560, 3145680, 3164184, 3237429, 3247452, 3320440, 3401190, 3407820, 3427866, 3515760, 3538890, 3608280, 3735495, 3808740, 3955230, 3984528, 4059315, 4081428, 4089384, 4246668, 4296240, 4316572, 4329936, 4482594, 4534920, 4543760, 4570488, 4600557, 4718520, 4746276, 4801680, 4980660, 4996080, 5078320, 5101785, 5111730, 5141799, 5273640, 5308335, 5395715, 5412420, 5441904, 5662224, 5713110, 5932845, 5976792, 6134076, 6279120, 6328368, 6474858, 6494904, 6640880, 6723891, 6802380, 6815640, 6855732, 7077780, 7216560, 7470990, 7617480, 7667595, 7910460, 8118630, 8162856, 8178768, 8493336, 8569665, 8633144, 8965188, 9069840, 9140976, 9201114, 9437040, 9492552, 9712287, 9961320, 10203570, 10223460, 10283598, 10547280, 10616670, 10791430, 10824840, 11206485, 11426220, 11865690, 11953584, 12268152, 12949716, 12989808, 13447782, 13604760, 13631280, 13711464, 13801671, 14155560, 14941980, 15234960, 15335190, 15425397, 15820920, 16187145, 16237260, 16325712, 16986672, 17139330, 17266288, 17930376, 18402228, 18985104, 19424574, 19922640, 20171673, 20407140, 20446920, 20567196, 21233340, 21582860, 21649680, 22412970, 22852440, 23002785, 23731380, 24536304, 25708995, 25899432, 26895564, 27209520, 27422928, 27603342, 28311120, 29136861, 29883960, 30670380, 30850794, 31641840, 32374290, 32474520, 33619455, 34278660, 35860752, 36804456, 38849148, 40343346, 40814280, 40893840, 41134392, 42466680, 43165720, 44825940, 45704880, 46005570, 47462760, 48561435, 51417990, 51798864, 53791128, 55206684, 58273722, 59767920, 61340760, 61701588, 64748580, 64949040, 67238910, 68557320, 69008355, 73608912, 77126985, 77698296, 80686692, 81628560, 82268784, 84933360, 86331440, 87410583, 89651880, 92011140, 94925520, 97122870, 100858365, 102835980, 107582256, 110413368, 116547444, 122681520, 123403176, 129497160, 134477820, 137114640, 138016710, 145684305, 154253970, 155396592, 161373384, 174821166, 179303760, 184022280, 194245740, 201716730, 205671960, 220826736, 233094888, 246806352, 258994320, 262231749, 268955640, 276033420, 291368610, 308507940, 322746768, 349642332, 368044560, 388491480, 403433460, 411343920, 437052915, 466189776, 524463498, 537911280, 552066840, 582737220, 617015880, 699284664, 776982960, 806866920, 874105830, 1048926996, 1104133680, 1165474440, 1234031760, 1311158745, 1398569328, 1613733840, 1748211660, 2097853992, 2330948880, 2622317490, 3496423320, 4195707984, 5244634980, 6992846640, 10489269960, 20978539920]

約数ペア:

[(1, 20978539920), (2, 10489269960), (3, 6992846640), (4, 5244634980), (5, 4195707984), (6, 3496423320), (8, 2622317490), (9, 2330948880), (10, 2097853992), (12, 1748211660), (13, 1613733840), (15, 1398569328), (16, 1311158745), (17, 1234031760), (18, 1165474440), (19, 1104133680), (20, 1048926996), (24, 874105830), (26, 806866920), (27, 776982960), (30, 699284664), (34, 617015880), (36, 582737220), (38, 552066840), (39, 537911280), (40, 524463498), (45, 466189776), (48, 437052915), (51, 411343920), (52, 403433460), (54, 388491480), (57, 368044560), (60, 349642332), (65, 322746768), (68, 308507940), (72, 291368610), (76, 276033420), (78, 268955640), (80, 262231749), (81, 258994320), (85, 246806352), (90, 233094888), (95, 220826736), (102, 205671960), (104, 201716730), (108, 194245740), (114, 184022280), (117, 179303760), (120, 174821166), (130, 161373384), (135, 155396592), (136, 154253970), (144, 145684305), (152, 138016710), (153, 137114640), (156, 134477820), (162, 129497160), (170, 123403176), (171, 122681520), (180, 116547444), (190, 110413368), (195, 107582256), (204, 102835980), (208, 100858365), (216, 97122870), (221, 94925520), (228, 92011140), (234, 89651880), (240, 87410583), (243, 86331440), (247, 84933360), (255, 82268784), (257, 81628560), (260, 80686692), (270, 77698296), (272, 77126985), (285, 73608912), (304, 69008355), (306, 68557320), (312, 67238910), (323, 64949040), (324, 64748580), (340, 61701588), (342, 61340760), (351, 59767920), (360, 58273722), (380, 55206684), (390, 53791128), (405, 51798864), (408, 51417990), (432, 48561435), (442, 47462760), (456, 46005570), (459, 45704880), (468, 44825940), (486, 43165720), (494, 42466680), (510, 41134392), (513, 40893840), (514, 40814280), (520, 40343346), (540, 38849148), (570, 36804456), (585, 35860752), (612, 34278660), (624, 33619455), (646, 32474520), (648, 32374290), (663, 31641840), (680, 30850794), (684, 30670380), (702, 29883960), (720, 29136861), (741, 28311120), (760, 27603342), (765, 27422928), (771, 27209520), (780, 26895564), (810, 25899432), (816, 25708995), (855, 24536304), (884, 23731380), (912, 23002785), (918, 22852440), (936, 22412970), (969, 21649680), (972, 21582860), (988, 21233340), (1020, 20567196), (1026, 20446920), (1028, 20407140), (1040, 20171673), (1053, 19922640), (1080, 19424574), (1105, 18985104), (1140, 18402228), (1170, 17930376), (1215, 17266288), (1224, 17139330), (1235, 16986672), (1285, 16325712), (1292, 16237260), (1296, 16187145), (1326, 15820920), (1360, 15425397), (1368, 15335190), (1377, 15234960), (1404, 14941980), (1482, 14155560), (1520, 13801671), (1530, 13711464), (1539, 13631280), (1542, 13604760), (1560, 13447782), (1615, 12989808), (1620, 12949716), (1710, 12268152), (1755, 11953584), (1768, 11865690), (1836, 11426220), (1872, 11206485), (1938, 10824840), (1944, 10791430), (1976, 10616670), (1989, 10547280), (2040, 10283598), (2052, 10223460), (2056, 10203570), (2106, 9961320), (2160, 9712287), (2210, 9492552), (2223, 9437040), (2280, 9201114), (2295, 9140976), (2313, 9069840), (2340, 8965188), (2430, 8633144), (2448, 8569665), (2470, 8493336), (2565, 8178768), (2570, 8162856), (2584, 8118630), (2652, 7910460), (2736, 7667595), (2754, 7617480), (2808, 7470990), (2907, 7216560), (2964, 7077780), (3060, 6855732), (3078, 6815640), (3084, 6802380), (3120, 6723891), (3159, 6640880), (3230, 6494904), (3240, 6474858), (3315, 6328368), (3341, 6279120), (3420, 6134076), (3510, 5976792), (3536, 5932845), (3672, 5713110), (3705, 5662224), (3855, 5441904), (3876, 5412420), (3888, 5395715), (3952, 5308335), (3978, 5273640), (4080, 5141799), (4104, 5111730), (4112, 5101785), (4131, 5078320), (4199, 4996080), (4212, 4980660), (4369, 4801680), (4420, 4746276), (4446, 4718520), (4560, 4600557), (4590, 4570488), (4617, 4543760), (4626, 4534920), (4680, 4482594), (4845, 4329936), (4860, 4316572), (4883, 4296240), (4940, 4246668), (5130, 4089384), (5140, 4081428), (5168, 4059315), (5265, 3984528), (5304, 3955230), (5508, 3808740), (5616, 3735495), (5814, 3608280), (5928, 3538890), (5967, 3515760), (6120, 3427866), (6156, 3407820), (6168, 3401190), (6318, 3320440), (6460, 3247452), (6480, 3237429), (6630, 3164184), (6669, 3145680), (6682, 3139560), (6840, 3067038), (6885, 3046992), (6939, 3023280), (7020, 2988396), (7344, 2856555), (7410, 2831112), (7695, 2726256), (7710, 2720952), (7752, 2706210), (7956, 2636820), (8208, 2555865), (8262, 2539160), (8398, 2498040), (8424, 2490330), (8721, 2405520), (8738, 2400840), (8840, 2373138), (8892, 2359260), (9180, 2285244), (9234, 2271880), (9252, 2267460), (9360, 2241297), (9690, 2164968), (9720, 2158286), (9766, 2148120), (9880, 2123334), (9945, 2109456), (10023, 2093040), (10260, 2044692), (10280, 2040714), (10530, 1992264), (10608, 1977615), (11016, 1904370), (11115, 1887408), (11565, 1813968), (11628, 1804140), (11856, 1769445), (11934, 1757880), (12240, 1713933), (12312, 1703910), (12336, 1700595), (12597, 1665360), (12636, 1660220), (12920, 1623726), (13107, 1600560), (13260, 1582092), (13338, 1572840), (13364, 1569780), (13680, 1533519), (13770, 1523496), (13878, 1511640), (14040, 1494198), (14535, 1443312), (14649, 1432080), (14820, 1415556), (15390, 1363128), (15420, 1360476), (15504, 1353105), (15795, 1328176), (15912, 1318410), (16524, 1269580), (16705, 1255824), (16796, 1249020), (16848, 1245165), (17442, 1202760), (17476, 1200420), (17680, 1186569), (17784, 1179630), (17901, 1171920), (18360, 1142622), (18468, 1135940), (18504, 1133730), (19380, 1082484), (19440, 1079143), (19532, 1074060), (19760, 1061667), (19890, 1054728), (20007, 1048560), (20046, 1046520), (20520, 1022346), (20560, 1020357), (20655, 1015664), (20817, 1007760), (20995, 999216), (21060, 996132), (21845, 960336), (22032, 952185), (22230, 943704), (23085, 908752), (23130, 906984), (23256, 902070), (23868, 878940), (24415, 859248), (24624, 851955), (25194, 832680), (25272, 830110), (25840, 811863), (26163, 801840), (26214, 800280), (26520, 791046), (26676, 786420), (26728, 784890), (27540, 761748), (27756, 755820), (28080, 747099), (29070, 721656), (29298, 716040), (29640, 707778), (29835, 703152), (30069, 697680), (30780, 681564), (30840, 680238), (31590, 664088), (31824, 659205), (33048, 634790), (33345, 629136), (33410, 627912), (33592, 624510), (34695, 604656), (34884, 601380), (34952, 600210), (35568, 589815), (35802, 585960), (36720, 571311), (36936, 567970), (37008, 566865), (37791, 555120), (38760, 541242), (39064, 537030), (39321, 533520), (39780, 527364), (40014, 524280), (40092, 523260), (41040, 511173), (41310, 507832), (41634, 503880), (41990, 499608), (42120, 498066), (43605, 481104), (43690, 480168), (43947, 477360), (44460, 471852), (46170, 454376), (46260, 453492), (46512, 451035), (47736, 439470), (48830, 429624), (50115, 418608), (50388, 416340), (50544, 415055), (52326, 400920), (52428, 400140), (53040, 395523), (53352, 393210), (53456, 392445), (53703, 390640), (55080, 380874), (55512, 377910), (56797, 369360), (58140, 360828), (58596, 358020), (59280, 353889), (59670, 351576), (60021, 349520), (60138, 348840), (61560, 340782), (61680, 340119), (62451, 335920), (62985, 333072), (63180, 332044), (63479, 330480), (65535, 320112), (66096, 317395), (66690, 314568), (66820, 313956), (67184, 312255), (69390, 302328), (69768, 300690), (69904, 300105), (71604, 292980), (73245, 286416), (73872, 283985), (75582, 277560), (77520, 270621), (78128, 268515), (78489, 267280), (78642, 266760), (79560, 263682), (80028, 262140), (80184, 261630), (82620, 253916), (83011, 252720), (83268, 251940), (83980, 249804), (84240, 249033), (87210, 240552), (87380, 240084), (87894, 238680), (88920, 235926), (89505, 234384), (90207, 232560), (92340, 227188), (92520, 226746), (95472, 219735), (97660, 214812), (100035, 209712), (100230, 209304), (100776, 208170), (104085, 201552), (104652, 200460), (104856, 200070), (106704, 196605), (107406, 195320), (110160, 190437), (111024, 188955), (113373, 185040), (113594, 184680), (116280, 180414), (117192, 179010), (117963, 177840), (119340, 175788), (120042, 174760), (120276, 174420), (123120, 170391), (124902, 167960), (125970, 166536), (126360, 166022), (126958, 165240), (130815, 160368), (131070, 160056), (131841, 159120), (133380, 157284), (133640, 156978), (138780, 151164), (139536, 150345), (143208, 146490)]