20728249920

素因数分解:

$2^6\times 3^5\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:489

約数の個数: 672

約数和(自身を含む): 85500350208

約数和(自身を除く): 64772100288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 113, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 226, 240, 243, 252, 270, 280, 288, 315, 320, 324, 336, 337, 339, 360, 378, 405, 420, 432, 448, 452, 480, 486, 504, 540, 560, 565, 567, 576, 630, 648, 672, 674, 678, 720, 756, 791, 810, 840, 864, 904, 945, 960, 972, 1008, 1011, 1017, 1080, 1120, 1130, 1134, 1215, 1260, 1296, 1344, 1348, 1356, 1440, 1512, 1582, 1620, 1680, 1685, 1695, 1701, 1728, 1808, 1890, 1944, 2016, 2022, 2034, 2160, 2240, 2260, 2268, 2359, 2373, 2430, 2520, 2592, 2696, 2712, 2835, 2880, 3024, 3033, 3051, 3164, 3240, 3360, 3370, 3390, 3402, 3616, 3780, 3888, 3955, 4032, 4044, 4068, 4320, 4520, 4536, 4718, 4746, 4860, 5040, 5055, 5085, 5184, 5392, 5424, 5670, 6048, 6066, 6102, 6328, 6480, 6720, 6740, 6780, 6804, 7077, 7119, 7232, 7560, 7776, 7910, 8088, 8136, 8505, 8640, 9040, 9072, 9099, 9153, 9436, 9492, 9720, 10080, 10110, 10170, 10784, 10848, 11340, 11795, 11865, 12096, 12132, 12204, 12656, 12960, 13480, 13560, 13608, 14154, 14238, 15120, 15165, 15255, 15552, 15820, 16176, 16272, 17010, 18080, 18144, 18198, 18306, 18872, 18984, 19440, 20160, 20220, 20340, 21231, 21357, 21568, 21696, 22680, 23590, 23730, 24264, 24408, 25312, 25920, 26960, 27120, 27216, 27297, 27459, 28308, 28476, 30240, 30330, 30510, 31640, 32352, 32544, 34020, 35385, 35595, 36160, 36288, 36396, 36612, 37744, 37968, 38081, 38880, 40440, 40680, 42462, 42714, 45360, 45495, 45765, 47180, 47460, 48528, 48816, 50624, 53920, 54240, 54432, 54594, 54918, 56616, 56952, 60480, 60660, 61020, 63280, 63693, 64071, 64704, 65088, 68040, 70770, 71190, 72792, 73224, 75488, 75936, 76162, 77760, 80880, 81360, 81891, 84924, 85428, 90720, 90990, 91530, 94360, 94920, 97056, 97632, 106155, 106785, 107840, 108480, 108864, 109188, 109836, 113232, 113904, 114243, 121320, 122040, 126560, 127386, 128142, 136080, 136485, 137295, 141540, 142380, 145584, 146448, 150976, 151872, 152324, 161760, 162720, 163782, 169848, 170856, 181440, 181980, 183060, 188720, 189840, 190405, 191079, 192213, 194112, 195264, 212310, 213570, 218376, 219672, 226464, 227808, 228486, 242640, 244080, 253120, 254772, 256284, 266567, 272160, 272970, 274590, 283080, 284760, 291168, 292896, 304648, 318465, 320355, 323520, 325440, 327564, 339696, 341712, 342729, 363960, 366120, 377440, 379680, 380810, 382158, 384426, 409455, 424620, 427140, 436752, 439344, 452928, 455616, 456972, 485280, 488160, 509544, 512568, 533134, 544320, 545940, 549180, 566160, 569520, 571215, 573237, 582336, 585792, 609296, 636930, 640710, 655128, 679392, 683424, 685458, 727920, 732240, 754880, 759360, 761620, 764316, 768852, 799701, 818910, 849240, 854280, 873504, 878688, 913944, 955395, 961065, 970560, 976320, 1019088, 1025136, 1028187, 1066268, 1091880, 1098360, 1132320, 1139040, 1142430, 1146474, 1218592, 1273860, 1281420, 1310256, 1332835, 1358784, 1366848, 1370916, 1455840, 1464480, 1523240, 1528632, 1537704, 1599402, 1637820, 1698480, 1708560, 1713645, 1747008, 1757376, 1827888, 1910790, 1922130, 2038176, 2050272, 2056374, 2132536, 2183760, 2196720, 2264640, 2278080, 2284860, 2292948, 2399103, 2437184, 2547720, 2562840, 2620512, 2665670, 2741832, 2866185, 2911680, 2928960, 3046480, 3057264, 3075408, 3084561, 3198804, 3275640, 3396960, 3417120, 3427290, 3655776, 3821580, 3844260, 3998505, 4076352, 4100544, 4112748, 4265072, 4367520, 4393440, 4569720, 4585896, 4798206, 5095440, 5125680, 5140935, 5241024, 5331340, 5483664, 5732370, 6092960, 6114528, 6150816, 6169122, 6397608, 6551280, 6793920, 6834240, 6854580, 7197309, 7311552, 7643160, 7688520, 7997010, 8225496, 8530144, 8735040, 8786880, 9139440, 9171792, 9253683, 9596412, 10190880, 10251360, 10281870, 10662680, 10967328, 11464740, 11995515, 12185920, 12229056, 12301632, 12338244, 12795216, 13102560, 13709160, 14394618, 15286320, 15377040, 15422805, 15994020, 16450992, 17060288, 18278880, 18343584, 18507366, 19192824, 20381760, 20502720, 20563740, 21325360, 21591927, 21934656, 22929480, 23991030, 24676488, 25590432, 26205120, 27418320, 28789236, 30572640, 30754080, 30845610, 31988040, 32901984, 35986545, 36557760, 36687168, 37014732, 38385648, 41127480, 42650720, 43183854, 45858960, 46268415, 47982060, 49352976, 51180864, 54836640, 57578472, 61145280, 61508160, 61691220, 63976080, 64775781, 65803968, 71973090, 74029464, 76771296, 82254960, 85301440, 86367708, 91717920, 92536830, 95964120, 98705952, 107959635, 109673280, 115156944, 123382440, 127952160, 129551562, 143946180, 148058928, 153542592, 164509920, 172735416, 183435840, 185073660, 191928240, 197411904, 215919270, 230313888, 246764880, 255904320, 259103124, 287892360, 296117856, 323878905, 329019840, 345470832, 370147320, 383856480, 431838540, 460627776, 493529760, 518206248, 575784720, 592235712, 647757810, 690941664, 740294640, 767712960, 863677080, 987059520, 1036412496, 1151569440, 1295515620, 1381883328, 1480589280, 1727354160, 2072824992, 2303138880, 2591031240, 2961178560, 3454708320, 4145649984, 5182062480, 6909416640, 10364124960, 20728249920]

約数ペア:

[(1, 20728249920), (2, 10364124960), (3, 6909416640), (4, 5182062480), (5, 4145649984), (6, 3454708320), (7, 2961178560), (8, 2591031240), (9, 2303138880), (10, 2072824992), (12, 1727354160), (14, 1480589280), (15, 1381883328), (16, 1295515620), (18, 1151569440), (20, 1036412496), (21, 987059520), (24, 863677080), (27, 767712960), (28, 740294640), (30, 690941664), (32, 647757810), (35, 592235712), (36, 575784720), (40, 518206248), (42, 493529760), (45, 460627776), (48, 431838540), (54, 383856480), (56, 370147320), (60, 345470832), (63, 329019840), (64, 323878905), (70, 296117856), (72, 287892360), (80, 259103124), (81, 255904320), (84, 246764880), (90, 230313888), (96, 215919270), (105, 197411904), (108, 191928240), (112, 185073660), (113, 183435840), (120, 172735416), (126, 164509920), (135, 153542592), (140, 148058928), (144, 143946180), (160, 129551562), (162, 127952160), (168, 123382440), (180, 115156944), (189, 109673280), (192, 107959635), (210, 98705952), (216, 95964120), (224, 92536830), (226, 91717920), (240, 86367708), (243, 85301440), (252, 82254960), (270, 76771296), (280, 74029464), (288, 71973090), (315, 65803968), (320, 64775781), (324, 63976080), (336, 61691220), (337, 61508160), (339, 61145280), (360, 57578472), (378, 54836640), (405, 51180864), (420, 49352976), (432, 47982060), (448, 46268415), (452, 45858960), (480, 43183854), (486, 42650720), (504, 41127480), (540, 38385648), (560, 37014732), (565, 36687168), (567, 36557760), (576, 35986545), (630, 32901984), (648, 31988040), (672, 30845610), (674, 30754080), (678, 30572640), (720, 28789236), (756, 27418320), (791, 26205120), (810, 25590432), (840, 24676488), (864, 23991030), (904, 22929480), (945, 21934656), (960, 21591927), (972, 21325360), (1008, 20563740), (1011, 20502720), (1017, 20381760), (1080, 19192824), (1120, 18507366), (1130, 18343584), (1134, 18278880), (1215, 17060288), (1260, 16450992), (1296, 15994020), (1344, 15422805), (1348, 15377040), (1356, 15286320), (1440, 14394618), (1512, 13709160), (1582, 13102560), (1620, 12795216), (1680, 12338244), (1685, 12301632), (1695, 12229056), (1701, 12185920), (1728, 11995515), (1808, 11464740), (1890, 10967328), (1944, 10662680), (2016, 10281870), (2022, 10251360), (2034, 10190880), (2160, 9596412), (2240, 9253683), (2260, 9171792), (2268, 9139440), (2359, 8786880), (2373, 8735040), (2430, 8530144), (2520, 8225496), (2592, 7997010), (2696, 7688520), (2712, 7643160), (2835, 7311552), (2880, 7197309), (3024, 6854580), (3033, 6834240), (3051, 6793920), (3164, 6551280), (3240, 6397608), (3360, 6169122), (3370, 6150816), (3390, 6114528), (3402, 6092960), (3616, 5732370), (3780, 5483664), (3888, 5331340), (3955, 5241024), (4032, 5140935), (4044, 5125680), (4068, 5095440), (4320, 4798206), (4520, 4585896), (4536, 4569720), (4718, 4393440), (4746, 4367520), (4860, 4265072), (5040, 4112748), (5055, 4100544), (5085, 4076352), (5184, 3998505), (5392, 3844260), (5424, 3821580), (5670, 3655776), (6048, 3427290), (6066, 3417120), (6102, 3396960), (6328, 3275640), (6480, 3198804), (6720, 3084561), (6740, 3075408), (6780, 3057264), (6804, 3046480), (7077, 2928960), (7119, 2911680), (7232, 2866185), (7560, 2741832), (7776, 2665670), (7910, 2620512), (8088, 2562840), (8136, 2547720), (8505, 2437184), (8640, 2399103), (9040, 2292948), (9072, 2284860), (9099, 2278080), (9153, 2264640), (9436, 2196720), (9492, 2183760), (9720, 2132536), (10080, 2056374), (10110, 2050272), (10170, 2038176), (10784, 1922130), (10848, 1910790), (11340, 1827888), (11795, 1757376), (11865, 1747008), (12096, 1713645), (12132, 1708560), (12204, 1698480), (12656, 1637820), (12960, 1599402), (13480, 1537704), (13560, 1528632), (13608, 1523240), (14154, 1464480), (14238, 1455840), (15120, 1370916), (15165, 1366848), (15255, 1358784), (15552, 1332835), (15820, 1310256), (16176, 1281420), (16272, 1273860), (17010, 1218592), (18080, 1146474), (18144, 1142430), (18198, 1139040), (18306, 1132320), (18872, 1098360), (18984, 1091880), (19440, 1066268), (20160, 1028187), (20220, 1025136), (20340, 1019088), (21231, 976320), (21357, 970560), (21568, 961065), (21696, 955395), (22680, 913944), (23590, 878688), (23730, 873504), (24264, 854280), (24408, 849240), (25312, 818910), (25920, 799701), (26960, 768852), (27120, 764316), (27216, 761620), (27297, 759360), (27459, 754880), (28308, 732240), (28476, 727920), (30240, 685458), (30330, 683424), (30510, 679392), (31640, 655128), (32352, 640710), (32544, 636930), (34020, 609296), (35385, 585792), (35595, 582336), (36160, 573237), (36288, 571215), (36396, 569520), (36612, 566160), (37744, 549180), (37968, 545940), (38081, 544320), (38880, 533134), (40440, 512568), (40680, 509544), (42462, 488160), (42714, 485280), (45360, 456972), (45495, 455616), (45765, 452928), (47180, 439344), (47460, 436752), (48528, 427140), (48816, 424620), (50624, 409455), (53920, 384426), (54240, 382158), (54432, 380810), (54594, 379680), (54918, 377440), (56616, 366120), (56952, 363960), (60480, 342729), (60660, 341712), (61020, 339696), (63280, 327564), (63693, 325440), (64071, 323520), (64704, 320355), (65088, 318465), (68040, 304648), (70770, 292896), (71190, 291168), (72792, 284760), (73224, 283080), (75488, 274590), (75936, 272970), (76162, 272160), (77760, 266567), (80880, 256284), (81360, 254772), (81891, 253120), (84924, 244080), (85428, 242640), (90720, 228486), (90990, 227808), (91530, 226464), (94360, 219672), (94920, 218376), (97056, 213570), (97632, 212310), (106155, 195264), (106785, 194112), (107840, 192213), (108480, 191079), (108864, 190405), (109188, 189840), (109836, 188720), (113232, 183060), (113904, 181980), (114243, 181440), (121320, 170856), (122040, 169848), (126560, 163782), (127386, 162720), (128142, 161760), (136080, 152324), (136485, 151872), (137295, 150976), (141540, 146448), (142380, 145584)]