20451271680

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 1056

約数和(自身を含む): 88288911360

約数和(自身を除く): 67837639680

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, 47, 48, 56, 57, 60, 63, 64, 70, 71, 72, 76, 80, 84, 90, 94, 95, 96, 105, 112, 114, 120, 126, 128, 133, 140, 141, 142, 144, 152, 160, 168, 171, 180, 188, 190, 192, 210, 213, 224, 228, 235, 240, 252, 256, 266, 280, 282, 284, 285, 288, 304, 315, 320, 329, 336, 342, 355, 360, 376, 380, 384, 399, 420, 423, 426, 448, 456, 470, 480, 497, 504, 512, 532, 560, 564, 568, 570, 576, 608, 630, 639, 640, 658, 665, 672, 684, 705, 710, 720, 752, 760, 768, 798, 840, 846, 852, 855, 893, 896, 912, 940, 960, 987, 994, 1008, 1024, 1064, 1065, 1120, 1128, 1136, 1140, 1152, 1197, 1216, 1260, 1278, 1280, 1316, 1330, 1344, 1349, 1368, 1410, 1420, 1440, 1491, 1504, 1520, 1536, 1596, 1645, 1680, 1692, 1704, 1710, 1786, 1792, 1824, 1880, 1920, 1974, 1988, 1995, 2016, 2115, 2128, 2130, 2240, 2256, 2272, 2280, 2304, 2394, 2432, 2485, 2520, 2556, 2560, 2632, 2660, 2679, 2688, 2698, 2736, 2820, 2840, 2880, 2961, 2982, 3008, 3040, 3072, 3192, 3195, 3290, 3337, 3360, 3384, 3408, 3420, 3572, 3584, 3648, 3760, 3840, 3948, 3976, 3990, 4032, 4047, 4230, 4256, 4260, 4465, 4473, 4480, 4512, 4544, 4560, 4608, 4788, 4864, 4935, 4970, 5040, 5112, 5120, 5264, 5320, 5358, 5376, 5396, 5472, 5640, 5680, 5760, 5922, 5964, 5985, 6016, 6080, 6251, 6384, 6390, 6580, 6674, 6720, 6745, 6768, 6816, 6840, 7144, 7168, 7296, 7455, 7520, 7680, 7896, 7952, 7980, 8037, 8064, 8094, 8460, 8512, 8520, 8930, 8946, 8960, 9024, 9088, 9120, 9216, 9443, 9576, 9728, 9870, 9940, 10011, 10080, 10224, 10528, 10640, 10716, 10752, 10792, 10944, 11280, 11360, 11520, 11844, 11928, 11970, 12032, 12141, 12160, 12502, 12768, 12780, 13160, 13348, 13395, 13440, 13490, 13536, 13632, 13680, 14288, 14592, 14805, 14910, 15040, 15360, 15792, 15904, 15960, 16074, 16128, 16188, 16685, 16920, 17024, 17040, 17860, 17892, 17920, 18048, 18176, 18240, 18753, 18886, 19152, 19456, 19740, 19880, 20022, 20160, 20235, 20448, 21056, 21280, 21432, 21504, 21584, 21888, 22365, 22560, 22720, 23040, 23359, 23688, 23856, 23940, 24064, 24282, 24320, 25004, 25536, 25560, 26320, 26696, 26790, 26880, 26980, 27072, 27264, 27360, 28329, 28576, 29184, 29610, 29820, 30033, 30080, 31255, 31584, 31808, 31920, 32148, 32256, 32376, 33370, 33840, 34048, 34080, 35720, 35784, 35840, 36096, 36352, 36480, 37506, 37772, 38304, 39480, 39760, 40044, 40185, 40320, 40470, 40896, 42112, 42560, 42864, 43168, 43776, 44730, 45120, 45440, 46080, 46718, 47215, 47376, 47712, 47880, 48128, 48564, 48640, 50008, 50055, 51072, 51120, 52640, 53392, 53580, 53760, 53960, 54144, 54528, 54720, 56259, 56658, 57152, 58368, 59220, 59640, 60066, 60160, 60705, 62510, 63168, 63403, 63616, 63840, 64296, 64512, 64752, 66740, 67680, 68096, 68160, 70077, 71440, 71568, 72192, 72704, 72960, 75012, 75544, 76608, 78960, 79520, 80088, 80370, 80640, 80940, 81792, 84224, 84987, 85120, 85728, 86336, 87552, 89460, 90240, 90880, 93436, 93765, 94430, 94752, 95424, 95760, 97128, 97280, 100016, 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377720, 379008, 380418, 381696, 383040, 388512, 400064, 400440, 408576, 408960, 420462, 421120, 424935, 427136, 428640, 431680, 433152, 437760, 443821, 450072, 453264, 457216, 467180, 473760, 477120, 480528, 485640, 500080, 505344, 507224, 508928, 510720, 514368, 518016, 533920, 541440, 545280, 560616, 562590, 566580, 570627, 571520, 572544, 600096, 600660, 604352, 612864, 631680, 634030, 636160, 640704, 642960, 647520, 654336, 679896, 680960, 685824, 690688, 700770, 715680, 721920, 747488, 750120, 755440, 758016, 760836, 763392, 766080, 777024, 800128, 800880, 817920, 840924, 842240, 849870, 854272, 857280, 863360, 875520, 887642, 900144, 906528, 914432, 934360, 947520, 951045, 954240, 961056, 971280, 1000160, 1010688, 1014448, 1021440, 1028736, 1036032, 1051155, 1067840, 1082880, 1090560, 1121232, 1125180, 1133160, 1141254, 1143040, 1145088, 1200192, 1201320, 1208704, 1225728, 1263360, 1268060, 1272320, 1281408, 1285920, 1295040, 1331463, 1359792, 1371648, 1381376, 1401540, 1431360, 1494976, 1500240, 1510880, 1516032, 1521672, 1526784, 1532160, 1554048, 1600256, 1601760, 1635840, 1681848, 1684480, 1699740, 1708544, 1714560, 1726720, 1775284, 1800288, 1813056, 1868720, 1895040, 1902090, 1908480, 1922112, 1942560, 2000320, 2028896, 2042880, 2057472, 2072064, 2102310, 2135680, 2165760, 2219105, 2242464, 2250360, 2266320, 2282508, 2286080, 2290176, 2400384, 2402640, 2417408, 2526720, 2536120, 2544640, 2562816, 2571840, 2590080, 2662926, 2719584, 2743296, 2803080, 2853135, 2862720, 2989952, 3000480, 3021760, 3032064, 3043344, 3064320, 3108096, 3200512, 3203520, 3271680, 3363696, 3399480, 3417088, 3429120, 3453440, 3550568, 3600576, 3626112, 3737440, 3790080, 3804180, 3816960, 3844224, 3885120, 3994389, 4000640, 4057792, 4114944, 4144128, 4204620, 4271360, 4438210, 4484928, 4500720, 4532640, 4565016, 4572160, 4580352, 4800768, 4805280, 4834816, 5053440, 5072240, 5125632, 5143680, 5180160, 5325852, 5439168, 5606160, 5706270, 5725440, 5979904, 6000960, 6043520, 6086688, 6128640, 6216192, 6401024, 6407040, 6657315, 6727392, 6798960, 6858240, 6906880, 7101136, 7201152, 7252224, 7474880, 7580160, 7608360, 7633920, 7688448, 7770240, 7988778, 8001280, 8115584, 8229888, 8409240, 8542720, 8876420, 8969856, 9001440, 9065280, 9130032, 9601536, 9610560, 9669632, 10144480, 10251264, 10287360, 10360320, 10651704, 10878336, 11212320, 11412540, 11450880, 11959808, 12001920, 12087040, 12173376, 12432384, 12814080, 13314630, 13454784, 13597920, 13716480, 14202272, 14402304, 14504448, 14949760, 15160320, 15216720, 15376896, 15540480, 15977556, 16002560, 16231168, 16818480, 17085440, 17752840, 17939712, 18002880, 18130560, 18260064, 19203072, 19221120, 19971945, 20288960, 20574720, 20720640, 21303408, 21756672, 22424640, 22825080, 22901760, 23919616, 24003840, 24174080, 24346752, 25628160, 26629260, 26909568, 27195840, 28404544, 28804608, 29008896, 29899520, 30433440, 30753792, 31080960, 31955112, 32005120, 32462336, 33636960, 35505680, 35879424, 36005760, 36261120, 36520128, 38442240, 39943890, 40577920, 41149440, 42606816, 43513344, 44849280, 45650160, 48007680, 48348160, 48693504, 51256320, 53258520, 53819136, 54391680, 56809088, 57609216, 59799040, 60866880, 62161920, 63910224, 64924672, 67273920, 71011360, 71758848, 72011520, 72522240, 73040256, 76884480, 79887780, 81155840, 85213632, 87026688, 89698560, 91300320, 96015360, 97387008, 106517040, 107638272, 108783360, 113618176, 119598080, 121733760, 127820448, 134547840, 142022720, 144023040, 145044480, 146080512, 153768960, 159775560, 162311680, 170427264, 179397120, 182600640, 194774016, 213034080, 215276544, 217566720, 227236352, 243467520, 255640896, 269095680, 284045440, 288046080, 292161024, 319551120, 324623360, 340854528, 358794240, 365201280, 426068160, 435133440, 454472704, 486935040, 511281792, 538191360, 568090880, 584322048, 639102240, 681709056, 730402560, 852136320, 973870080, 1022563584, 1076382720, 1136181760, 1278204480, 1363418112, 1460805120, 1704272640, 2045127168, 2272363520, 2556408960, 2921610240, 3408545280, 4090254336, 5112817920, 6817090560, 10225635840, 20451271680]

約数ペア:

[(1, 20451271680), (2, 10225635840), (3, 6817090560), (4, 5112817920), (5, 4090254336), (6, 3408545280), (7, 2921610240), (8, 2556408960), (9, 2272363520), (10, 2045127168), (12, 1704272640), (14, 1460805120), (15, 1363418112), (16, 1278204480), (18, 1136181760), (19, 1076382720), (20, 1022563584), (21, 973870080), (24, 852136320), (28, 730402560), (30, 681709056), (32, 639102240), (35, 584322048), (36, 568090880), (38, 538191360), (40, 511281792), (42, 486935040), (45, 454472704), (47, 435133440), (48, 426068160), (56, 365201280), (57, 358794240), (60, 340854528), (63, 324623360), (64, 319551120), (70, 292161024), (71, 288046080), (72, 284045440), (76, 269095680), (80, 255640896), (84, 243467520), (90, 227236352), (94, 217566720), (95, 215276544), (96, 213034080), (105, 194774016), (112, 182600640), (114, 179397120), (120, 170427264), (126, 162311680), (128, 159775560), (133, 153768960), (140, 146080512), (141, 145044480), (142, 144023040), (144, 142022720), (152, 134547840), (160, 127820448), (168, 121733760), (171, 119598080), (180, 113618176), (188, 108783360), (190, 107638272), (192, 106517040), (210, 97387008), (213, 96015360), (224, 91300320), (228, 89698560), (235, 87026688), (240, 85213632), (252, 81155840), (256, 79887780), (266, 76884480), (280, 73040256), (282, 72522240), (284, 72011520), (285, 71758848), (288, 71011360), (304, 67273920), (315, 64924672), (320, 63910224), (329, 62161920), (336, 60866880), (342, 59799040), (355, 57609216), (360, 56809088), (376, 54391680), (380, 53819136), (384, 53258520), (399, 51256320), (420, 48693504), (423, 48348160), (426, 48007680), (448, 45650160), (456, 44849280), (470, 43513344), (480, 42606816), (497, 41149440), (504, 40577920), (512, 39943890), (532, 38442240), (560, 36520128), (564, 36261120), (568, 36005760), (570, 35879424), (576, 35505680), (608, 33636960), (630, 32462336), (639, 32005120), (640, 31955112), (658, 31080960), (665, 30753792), (672, 30433440), (684, 29899520), (705, 29008896), (710, 28804608), (720, 28404544), (752, 27195840), (760, 26909568), (768, 26629260), (798, 25628160), (840, 24346752), (846, 24174080), (852, 24003840), (855, 23919616), (893, 22901760), (896, 22825080), (912, 22424640), (940, 21756672), (960, 21303408), (987, 20720640), (994, 20574720), (1008, 20288960), (1024, 19971945), (1064, 19221120), (1065, 19203072), (1120, 18260064), (1128, 18130560), (1136, 18002880), (1140, 17939712), (1152, 17752840), (1197, 17085440), (1216, 16818480), (1260, 16231168), (1278, 16002560), (1280, 15977556), (1316, 15540480), (1330, 15376896), (1344, 15216720), (1349, 15160320), (1368, 14949760), (1410, 14504448), (1420, 14402304), (1440, 14202272), (1491, 13716480), (1504, 13597920), (1520, 13454784), (1536, 13314630), (1596, 12814080), (1645, 12432384), (1680, 12173376), (1692, 12087040), (1704, 12001920), (1710, 11959808), (1786, 11450880), (1792, 11412540), (1824, 11212320), (1880, 10878336), (1920, 10651704), (1974, 10360320), (1988, 10287360), (1995, 10251264), (2016, 10144480), (2115, 9669632), (2128, 9610560), (2130, 9601536), (2240, 9130032), (2256, 9065280), (2272, 9001440), (2280, 8969856), (2304, 8876420), (2394, 8542720), (2432, 8409240), (2485, 8229888), (2520, 8115584), (2556, 8001280), (2560, 7988778), (2632, 7770240), (2660, 7688448), (2679, 7633920), (2688, 7608360), (2698, 7580160), (2736, 7474880), (2820, 7252224), (2840, 7201152), (2880, 7101136), (2961, 6906880), (2982, 6858240), (3008, 6798960), (3040, 6727392), (3072, 6657315), (3192, 6407040), (3195, 6401024), (3290, 6216192), (3337, 6128640), (3360, 6086688), (3384, 6043520), (3408, 6000960), (3420, 5979904), (3572, 5725440), (3584, 5706270), (3648, 5606160), (3760, 5439168), (3840, 5325852), (3948, 5180160), (3976, 5143680), (3990, 5125632), (4032, 5072240), (4047, 5053440), (4230, 4834816), (4256, 4805280), (4260, 4800768), (4465, 4580352), (4473, 4572160), (4480, 4565016), (4512, 4532640), (4544, 4500720), (4560, 4484928), (4608, 4438210), (4788, 4271360), (4864, 4204620), (4935, 4144128), (4970, 4114944), (5040, 4057792), (5112, 4000640), (5120, 3994389), (5264, 3885120), (5320, 3844224), (5358, 3816960), (5376, 3804180), (5396, 3790080), (5472, 3737440), (5640, 3626112), (5680, 3600576), (5760, 3550568), (5922, 3453440), (5964, 3429120), (5985, 3417088), (6016, 3399480), (6080, 3363696), (6251, 3271680), (6384, 3203520), (6390, 3200512), (6580, 3108096), (6674, 3064320), (6720, 3043344), (6745, 3032064), (6768, 3021760), (6816, 3000480), (6840, 2989952), (7144, 2862720), (7168, 2853135), (7296, 2803080), (7455, 2743296), (7520, 2719584), (7680, 2662926), (7896, 2590080), (7952, 2571840), (7980, 2562816), (8037, 2544640), (8064, 2536120), (8094, 2526720), (8460, 2417408), (8512, 2402640), (8520, 2400384), (8930, 2290176), (8946, 2286080), (8960, 2282508), (9024, 2266320), (9088, 2250360), (9120, 2242464), (9216, 2219105), (9443, 2165760), (9576, 2135680), (9728, 2102310), (9870, 2072064), (9940, 2057472), (10011, 2042880), (10080, 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(20022, 1021440), (20160, 1014448), (20235, 1010688), (20448, 1000160), (21056, 971280), (21280, 961056), (21432, 954240), (21504, 951045), (21584, 947520), (21888, 934360), (22365, 914432), (22560, 906528), (22720, 900144), (23040, 887642), (23359, 875520), (23688, 863360), (23856, 857280), (23940, 854272), (24064, 849870), (24282, 842240), (24320, 840924), (25004, 817920), (25536, 800880), (25560, 800128), (26320, 777024), (26696, 766080), (26790, 763392), (26880, 760836), (26980, 758016), (27072, 755440), (27264, 750120), (27360, 747488), (28329, 721920), (28576, 715680), (29184, 700770), (29610, 690688), (29820, 685824), (30033, 680960), (30080, 679896), (31255, 654336), (31584, 647520), (31808, 642960), (31920, 640704), (32148, 636160), (32256, 634030), (32376, 631680), (33370, 612864), (33840, 604352), (34048, 600660), (34080, 600096), (35720, 572544), (35784, 571520), (35840, 570627), (36096, 566580), (36352, 562590), (36480, 560616), (37506, 545280), (37772, 541440), (38304, 533920), (39480, 518016), (39760, 514368), (40044, 510720), (40185, 508928), (40320, 507224), (40470, 505344), (40896, 500080), (42112, 485640), (42560, 480528), (42864, 477120), (43168, 473760), (43776, 467180), (44730, 457216), (45120, 453264), (45440, 450072), (46080, 443821), (46718, 437760), (47215, 433152), (47376, 431680), (47712, 428640), (47880, 427136), (48128, 424935), (48564, 421120), (48640, 420462), (50008, 408960), (50055, 408576), (51072, 400440), (51120, 400064), (52640, 388512), (53392, 383040), (53580, 381696), (53760, 380418), (53960, 379008), (54144, 377720), (54528, 375060), (54720, 373744), (56259, 363520), (56658, 360960), (57152, 357840), (58368, 350385), (59220, 345344), (59640, 342912), (60066, 340480), (60160, 339948), (60705, 336896), (62510, 327168), (63168, 323760), (63403, 322560), (63616, 321480), (63840, 320352), (64296, 318080), (64512, 317015), (64752, 315840), (66740, 306432), (67680, 302176), (68096, 300330), (68160, 300048), (70077, 291840), (71440, 286272), (71568, 285760), (72192, 283290), (72704, 281295), (72960, 280308), (75012, 272640), (75544, 270720), (76608, 266960), (78960, 259008), (79520, 257184), (80088, 255360), (80370, 254464), (80640, 253612), (80940, 252672), (81792, 250040), (84224, 242820), (84987, 240640), (85120, 240264), (85728, 238560), (86336, 236880), (87552, 233590), (89460, 228608), (90240, 226632), (90880, 225036), (93436, 218880), (93765, 218112), (94430, 216576), (94752, 215840), (95424, 214320), (95760, 213568), (97128, 210560), (97280, 210231), (100016, 204480), (100110, 204288), (102144, 200220), (102240, 200032), (105280, 194256), (106784, 191520), (107160, 190848), (107520, 190209), (107920, 189504), (108288, 188860), (109056, 187530), (109440, 186872), (112518, 181760), (113316, 180480), (114304, 178920), (116795, 175104), (118440, 172672), (119280, 171456), (120132, 170240), (120320, 169974), (121410, 168448), (125020, 163584), (126336, 161880), (126806, 161280), (127232, 160740), (127680, 160176), (128592, 159040), (129504, 157920), (133480, 153216), (135360, 151088), (136192, 150165), (136320, 150024), (140154, 145920), (141645, 144384), (142880, 143136)]