20457400320

素因数分解:

$2^{11}\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1728

約数の個数: 576

約数和(自身を含む): 85346352000

約数和(自身を除く): 64888951680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 128, 133, 140, 144, 152, 160, 168, 171, 180, 190, 192, 210, 224, 228, 240, 252, 256, 266, 280, 285, 288, 304, 315, 320, 336, 342, 360, 380, 384, 399, 420, 448, 456, 480, 504, 512, 532, 560, 570, 576, 608, 630, 640, 665, 672, 684, 720, 760, 768, 798, 840, 855, 896, 912, 960, 1008, 1024, 1064, 1120, 1140, 1152, 1197, 1216, 1260, 1280, 1330, 1344, 1368, 1440, 1520, 1536, 1596, 1669, 1680, 1710, 1792, 1824, 1920, 1995, 2016, 2048, 2128, 2240, 2280, 2304, 2394, 2432, 2520, 2560, 2660, 2688, 2736, 2880, 3040, 3072, 3192, 3338, 3360, 3420, 3584, 3648, 3840, 3990, 4032, 4256, 4480, 4560, 4608, 4788, 4864, 5007, 5040, 5120, 5320, 5376, 5472, 5760, 5985, 6080, 6144, 6384, 6676, 6720, 6840, 7168, 7296, 7680, 7980, 8064, 8345, 8512, 8960, 9120, 9216, 9576, 9728, 10014, 10080, 10240, 10640, 10752, 10944, 11520, 11683, 11970, 12160, 12768, 13352, 13440, 13680, 14336, 14592, 15021, 15360, 15960, 16128, 16690, 17024, 17920, 18240, 18432, 19152, 19456, 20028, 20160, 21280, 21504, 21888, 23040, 23366, 23940, 24320, 25035, 25536, 26704, 26880, 27360, 29184, 30042, 30720, 31711, 31920, 32256, 33380, 34048, 35049, 35840, 36480, 38304, 38912, 40056, 40320, 42560, 43008, 43776, 46080, 46732, 47880, 48640, 50070, 51072, 53408, 53760, 54720, 58368, 58415, 60084, 63422, 63840, 64512, 66760, 68096, 70098, 71680, 72960, 75105, 76608, 80112, 80640, 85120, 87552, 92160, 93464, 95133, 95760, 97280, 100140, 102144, 105147, 106816, 107520, 109440, 116736, 116830, 120168, 126844, 127680, 129024, 133520, 136192, 140196, 145920, 150210, 153216, 158555, 160224, 161280, 170240, 175104, 175245, 186928, 190266, 191520, 194560, 200280, 204288, 210294, 213632, 215040, 218880, 221977, 233660, 240336, 253688, 255360, 267040, 272384, 280392, 285399, 291840, 300420, 306432, 317110, 320448, 322560, 340480, 350208, 350490, 373856, 380532, 383040, 400560, 408576, 420588, 427264, 437760, 443954, 467320, 475665, 480672, 507376, 510720, 525735, 534080, 560784, 570798, 583680, 600840, 612864, 634220, 640896, 645120, 665931, 680960, 700980, 747712, 761064, 766080, 801120, 817152, 841176, 854528, 875520, 887908, 934640, 951330, 961344, 1014752, 1021440, 1051470, 1068160, 1109885, 1121568, 1141596, 1201680, 1225728, 1268440, 1281792, 1331862, 1361920, 1401960, 1426995, 1495424, 1522128, 1532160, 1602240, 1682352, 1709056, 1751040, 1775816, 1869280, 1902660, 1922688, 1997793, 2029504, 2042880, 2102940, 2136320, 2219770, 2243136, 2283192, 2403360, 2451456, 2536880, 2563584, 2663724, 2803920, 2853990, 2990848, 3044256, 3064320, 3204480, 3329655, 3364704, 3418112, 3551632, 3738560, 3805320, 3845376, 3995586, 4059008, 4085760, 4205880, 4272640, 4439540, 4486272, 4566384, 4806720, 5073760, 5127168, 5327448, 5607840, 5707980, 5981696, 6088512, 6128640, 6408960, 6659310, 6729408, 7103264, 7477120, 7610640, 7690752, 7991172, 8118016, 8411760, 8545280, 8879080, 8972544, 9132768, 9613440, 9988965, 10147520, 10254336, 10654896, 11215680, 11415960, 11963392, 12177024, 12257280, 12817920, 13318620, 13458816, 14206528, 14954240, 15221280, 15381504, 15982344, 16236032, 16823520, 17090560, 17758160, 17945088, 18265536, 19226880, 19977930, 20295040, 21309792, 22431360, 22831920, 23926784, 24354048, 25635840, 26637240, 26917632, 28413056, 29908480, 30442560, 30763008, 31964688, 32472064, 33647040, 35516320, 35890176, 36531072, 38453760, 39955860, 40590080, 42619584, 44862720, 45663840, 48708096, 51271680, 53274480, 53835264, 56826112, 59816960, 60885120, 63929376, 64944128, 67294080, 71032640, 71780352, 73062144, 76907520, 79911720, 81180160, 85239168, 89725440, 91327680, 97416192, 106548960, 107670528, 113652224, 119633920, 121770240, 127858752, 134588160, 142065280, 146124288, 153815040, 159823440, 162360320, 170478336, 179450880, 182655360, 194832384, 213097920, 215341056, 227304448, 243540480, 255717504, 269176320, 284130560, 292248576, 319646880, 324720640, 340956672, 358901760, 365310720, 426195840, 454608896, 487080960, 511435008, 538352640, 568261120, 584497152, 639293760, 681913344, 730621440, 852391680, 974161920, 1022870016, 1076705280, 1136522240, 1278587520, 1363826688, 1461242880, 1704783360, 2045740032, 2273044480, 2557175040, 2922485760, 3409566720, 4091480064, 5114350080, 6819133440, 10228700160, 20457400320]

約数ペア:

[(1, 20457400320), (2, 10228700160), (3, 6819133440), (4, 5114350080), (5, 4091480064), (6, 3409566720), (7, 2922485760), (8, 2557175040), (9, 2273044480), (10, 2045740032), (12, 1704783360), (14, 1461242880), (15, 1363826688), (16, 1278587520), (18, 1136522240), (19, 1076705280), (20, 1022870016), (21, 974161920), (24, 852391680), (28, 730621440), (30, 681913344), (32, 639293760), (35, 584497152), (36, 568261120), (38, 538352640), (40, 511435008), (42, 487080960), (45, 454608896), (48, 426195840), (56, 365310720), (57, 358901760), (60, 340956672), (63, 324720640), (64, 319646880), (70, 292248576), (72, 284130560), (76, 269176320), (80, 255717504), (84, 243540480), (90, 227304448), (95, 215341056), (96, 213097920), (105, 194832384), (112, 182655360), (114, 179450880), (120, 170478336), (126, 162360320), (128, 159823440), (133, 153815040), (140, 146124288), (144, 142065280), (152, 134588160), (160, 127858752), (168, 121770240), (171, 119633920), (180, 113652224), (190, 107670528), (192, 106548960), (210, 97416192), (224, 91327680), (228, 89725440), (240, 85239168), (252, 81180160), (256, 79911720), (266, 76907520), (280, 73062144), (285, 71780352), (288, 71032640), (304, 67294080), (315, 64944128), (320, 63929376), (336, 60885120), (342, 59816960), (360, 56826112), (380, 53835264), (384, 53274480), (399, 51271680), (420, 48708096), (448, 45663840), (456, 44862720), (480, 42619584), (504, 40590080), (512, 39955860), (532, 38453760), (560, 36531072), (570, 35890176), (576, 35516320), (608, 33647040), (630, 32472064), (640, 31964688), (665, 30763008), (672, 30442560), (684, 29908480), (720, 28413056), (760, 26917632), (768, 26637240), (798, 25635840), (840, 24354048), (855, 23926784), (896, 22831920), (912, 22431360), (960, 21309792), (1008, 20295040), (1024, 19977930), (1064, 19226880), (1120, 18265536), (1140, 17945088), (1152, 17758160), (1197, 17090560), (1216, 16823520), (1260, 16236032), (1280, 15982344), (1330, 15381504), (1344, 15221280), (1368, 14954240), (1440, 14206528), (1520, 13458816), (1536, 13318620), (1596, 12817920), (1669, 12257280), (1680, 12177024), (1710, 11963392), (1792, 11415960), (1824, 11215680), (1920, 10654896), (1995, 10254336), (2016, 10147520), (2048, 9988965), (2128, 9613440), (2240, 9132768), (2280, 8972544), (2304, 8879080), (2394, 8545280), (2432, 8411760), (2520, 8118016), (2560, 7991172), (2660, 7690752), (2688, 7610640), (2736, 7477120), (2880, 7103264), (3040, 6729408), (3072, 6659310), (3192, 6408960), (3338, 6128640), (3360, 6088512), (3420, 5981696), (3584, 5707980), (3648, 5607840), (3840, 5327448), (3990, 5127168), (4032, 5073760), (4256, 4806720), (4480, 4566384), (4560, 4486272), (4608, 4439540), (4788, 4272640), (4864, 4205880), (5007, 4085760), (5040, 4059008), (5120, 3995586), (5320, 3845376), (5376, 3805320), (5472, 3738560), (5760, 3551632), (5985, 3418112), (6080, 3364704), (6144, 3329655), (6384, 3204480), (6676, 3064320), (6720, 3044256), (6840, 2990848), (7168, 2853990), (7296, 2803920), (7680, 2663724), (7980, 2563584), (8064, 2536880), (8345, 2451456), (8512, 2403360), (8960, 2283192), (9120, 2243136), (9216, 2219770), (9576, 2136320), (9728, 2102940), (10014, 2042880), (10080, 2029504), (10240, 1997793), (10640, 1922688), (10752, 1902660), (10944, 1869280), (11520, 1775816), (11683, 1751040), (11970, 1709056), (12160, 1682352), (12768, 1602240), (13352, 1532160), (13440, 1522128), (13680, 1495424), (14336, 1426995), (14592, 1401960), (15021, 1361920), (15360, 1331862), (15960, 1281792), (16128, 1268440), (16690, 1225728), (17024, 1201680), (17920, 1141596), (18240, 1121568), (18432, 1109885), (19152, 1068160), (19456, 1051470), (20028, 1021440), (20160, 1014752), (21280, 961344), (21504, 951330), (21888, 934640), (23040, 887908), (23366, 875520), (23940, 854528), (24320, 841176), (25035, 817152), (25536, 801120), (26704, 766080), (26880, 761064), (27360, 747712), (29184, 700980), (30042, 680960), (30720, 665931), (31711, 645120), (31920, 640896), (32256, 634220), (33380, 612864), (34048, 600840), (35049, 583680), (35840, 570798), (36480, 560784), (38304, 534080), (38912, 525735), (40056, 510720), (40320, 507376), (42560, 480672), (43008, 475665), (43776, 467320), (46080, 443954), (46732, 437760), (47880, 427264), (48640, 420588), (50070, 408576), (51072, 400560), (53408, 383040), (53760, 380532), (54720, 373856), (58368, 350490), (58415, 350208), (60084, 340480), (63422, 322560), (63840, 320448), (64512, 317110), (66760, 306432), (68096, 300420), (70098, 291840), (71680, 285399), (72960, 280392), (75105, 272384), (76608, 267040), (80112, 255360), (80640, 253688), (85120, 240336), (87552, 233660), (92160, 221977), (93464, 218880), (95133, 215040), (95760, 213632), (97280, 210294), (100140, 204288), (102144, 200280), (105147, 194560), (106816, 191520), (107520, 190266), (109440, 186928), (116736, 175245), (116830, 175104), (120168, 170240), (126844, 161280), (127680, 160224), (129024, 158555), (133520, 153216), (136192, 150210), (140196, 145920)]