20210394240

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 960

約数和(自身を含む): 81842270400

約数和(自身を除く): 61631876160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 27, 30, 32, 34, 36, 38, 40, 45, 48, 51, 54, 57, 60, 64, 68, 71, 72, 76, 80, 81, 85, 90, 95, 96, 102, 108, 114, 120, 128, 135, 136, 142, 144, 152, 153, 160, 162, 170, 171, 180, 190, 192, 204, 213, 216, 228, 240, 255, 270, 272, 284, 285, 288, 289, 304, 306, 320, 323, 324, 340, 342, 355, 360, 380, 384, 405, 408, 426, 432, 456, 459, 480, 510, 513, 540, 544, 568, 570, 576, 578, 608, 612, 639, 640, 646, 648, 680, 684, 710, 720, 760, 765, 810, 816, 852, 855, 864, 867, 912, 918, 960, 969, 1020, 1026, 1065, 1080, 1088, 1136, 1140, 1152, 1156, 1207, 1216, 1224, 1278, 1292, 1296, 1349, 1360, 1368, 1377, 1420, 1440, 1445, 1520, 1530, 1539, 1615, 1620, 1632, 1704, 1710, 1728, 1734, 1824, 1836, 1917, 1920, 1938, 2040, 2052, 2130, 2160, 2176, 2272, 2280, 2295, 2312, 2414, 2432, 2448, 2556, 2565, 2584, 2592, 2601, 2698, 2720, 2736, 2754, 2840, 2880, 2890, 2907, 3040, 3060, 3078, 3195, 3230, 3240, 3264, 3408, 3420, 3456, 3468, 3621, 3648, 3672, 3834, 3876, 4047, 4080, 4104, 4260, 4320, 4335, 4544, 4560, 4590, 4624, 4828, 4845, 4896, 5112, 5130, 5168, 5184, 5202, 5396, 5440, 5472, 5491, 5508, 5680, 5751, 5760, 5780, 5814, 6035, 6080, 6120, 6156, 6390, 6460, 6480, 6528, 6745, 6816, 6840, 6885, 6936, 7242, 7296, 7344, 7668, 7695, 7752, 7803, 8094, 8160, 8208, 8520, 8640, 8670, 8721, 9088, 9120, 9180, 9248, 9585, 9656, 9690, 9792, 10224, 10260, 10336, 10368, 10404, 10792, 10863, 10880, 10944, 10982, 11016, 11360, 11502, 11560, 11628, 12070, 12141, 12160, 12240, 12312, 12780, 12920, 12960, 13005, 13490, 13632, 13680, 13770, 13872, 14484, 14535, 14688, 15336, 15390, 15504, 15606, 16188, 16320, 16416, 16473, 17040, 17280, 17340, 17442, 18105, 18240, 18360, 18496, 19170, 19312, 19380, 19584, 20235, 20448, 20519, 20520, 20672, 20808, 21584, 21726, 21888, 21964, 22032, 22720, 22933, 23004, 23120, 23256, 23409, 24140, 24282, 24480, 24624, 25560, 25840, 25920, 26010, 26163, 26980, 27264, 27360, 27455, 27540, 27744, 28755, 28968, 29070, 29376, 30672, 30780, 31008, 31212, 32376, 32589, 32640, 32832, 32946, 34080, 34680, 34884, 36210, 36423, 36480, 36720, 36992, 38340, 38624, 38760, 39015, 40470, 40896, 41038, 41040, 41344, 41616, 43168, 43452, 43605, 43928, 44064, 45440, 45866, 46008, 46240, 46512, 46818, 48280, 48564, 48960, 49248, 49419, 51120, 51680, 51840, 52020, 52326, 53960, 54315, 54720, 54910, 55080, 55488, 57510, 57936, 58140, 58752, 60705, 61344, 61557, 61560, 62016, 62424, 64752, 65178, 65664, 65892, 68160, 68799, 69360, 69768, 72420, 72846, 73440, 76680, 77248, 77520, 78030, 80940, 81792, 82076, 82080, 82365, 83232, 86336, 86904, 87210, 87856, 88128, 91732, 92016, 92480, 93024, 93636, 96560, 97128, 97767, 97920, 98496, 98838, 102240, 102595, 103360, 104040, 104652, 107920, 108630, 109269, 109440, 109820, 110160, 110976, 114665, 115020, 115872, 116280, 117045, 121410, 122688, 123114, 123120, 124032, 124848, 129504, 130356, 130815, 131784, 136320, 137598, 138720, 139536, 144840, 145692, 146880, 148257, 153360, 154496, 155040, 156060, 161880, 162945, 164152, 164160, 164730, 166464, 172672, 173808, 174420, 175712, 176256, 182115, 183464, 184032, 184671, 184960, 186048, 187272, 193120, 194256, 195534, 196992, 197676, 204480, 205190, 206397, 206720, 208080, 209304, 215840, 217260, 218538, 219640, 220320, 229330, 230040, 231744, 232560, 234090, 242820, 245376, 246228, 246240, 247095, 249696, 259008, 260712, 261630, 263568, 275196, 277440, 279072, 289680, 291384, 293760, 296514, 306720, 307785, 310080, 312120, 323760, 325890, 328304, 328320, 329460, 332928, 343995, 347616, 348840, 351424, 364230, 366928, 368064, 369342, 372096, 374544, 386240, 388512, 389861, 391068, 395352, 408960, 410380, 412794, 416160, 418608, 431680, 434520, 437076, 439280, 440640, 444771, 458660, 460080, 463488, 465120, 468180, 485640, 488835, 492456, 492480, 494190, 499392, 518016, 521424, 523260, 527136, 546345, 550392, 554013, 554880, 558144, 579360, 582768, 593028, 613440, 615570, 619191, 620160, 624240, 647520, 651780, 656608, 658920, 687990, 695232, 697680, 702848, 728460, 733856, 736128, 738684, 741285, 749088, 772480, 777024, 779722, 782136, 790704, 820760, 825588, 832320, 837216, 863360, 869040, 874152, 878560, 881280, 889542, 917320, 920160, 923355, 930240, 936360, 971280, 977670, 984912, 984960, 988380, 998784, 1031985, 1042848, 1046520, 1054272, 1092690, 1100784, 1108026, 1116288, 1158720, 1165536, 1169583, 1186056, 1226880, 1231140, 1238382, 1248480, 1295040, 1303560, 1313216, 1317840, 1375980, 1390464, 1395360, 1456920, 1467712, 1477368, 1482570, 1498176, 1554048, 1559444, 1564272, 1581408, 1641520, 1651176, 1662039, 1664640, 1674432, 1738080, 1748304, 1757120, 1779084, 1834640, 1840320, 1846710, 1857573, 1860480, 1872720, 1942560, 1949305, 1955340, 1969824, 1976760, 2063970, 2085696, 2093040, 2108544, 2185380, 2201568, 2216052, 2223855, 2317440, 2331072, 2339166, 2372112, 2462280, 2476764, 2496960, 2590080, 2607120, 2626432, 2635680, 2751960, 2770065, 2790720, 2913840, 2935424, 2954736, 2965140, 2996352, 3095955, 3118888, 3128544, 3162816, 3283040, 3302352, 3324078, 3348864, 3476160, 3496608, 3508749, 3514240, 3558168, 3669280, 3680640, 3693420, 3715146, 3745440, 3885120, 3898610, 3910680, 3939648, 3953520, 4127940, 4171392, 4186080, 4370760, 4403136, 4432104, 4447710, 4662144, 4678332, 4744224, 4924560, 4953528, 4993920, 5214240, 5271360, 5503920, 5540130, 5581440, 5827680, 5847915, 5909472, 5930280, 6191910, 6237776, 6257088, 6325632, 6566080, 6604704, 6648156, 6952320, 6993216, 7017498, 7116336, 7338560, 7386840, 7430292, 7490880, 7770240, 7797220, 7821360, 7879296, 7907040, 8255880, 8310195, 8372160, 8741520, 8806272, 8864208, 8895420, 9287865, 9356664, 9488448, 9849120, 9907056, 10428480, 10526247, 10542720, 11007840, 11080260, 11655360, 11695830, 11818944, 11860560, 12383820, 12475552, 12514176, 13132160, 13209408, 13296312, 13986432, 14034996, 14232672, 14677120, 14773680, 14860584, 14981760, 15594440, 15642720, 15814080, 16511760, 16620390, 16744320, 17483040, 17543745, 17728416, 17790840, 18575730, 18713328, 18976896, 19698240, 19814112, 20856960, 21052494, 22015680, 22160520, 23310720, 23391660, 23637888, 23721120, 24767640, 24951104, 26418816, 26592624, 28069992, 28465344, 29547360, 29721168, 31188880, 31285440, 31578741, 31628160, 33023520, 33240780, 34966080, 35087490, 35456832, 35581680, 37151460, 37426656, 39396480, 39628224, 42104988, 44031360, 44321040, 46783320, 47442240, 49535280, 49902208, 52631235, 53185248, 56139984, 56930688, 59094720, 59442336, 62377760, 62570880, 63157482, 66047040, 66481560, 69932160, 70174980, 70913664, 71163360, 74302920, 74853312, 79256448, 84209976, 88642080, 93566640, 94884480, 99070560, 105262470, 106370496, 112279968, 118189440, 118884672, 124755520, 126314964, 132094080, 132963120, 140349960, 142326720, 148605840, 149706624, 157893705, 168419952, 177284160, 187133280, 198141120, 210524940, 212740992, 224559936, 237769344, 249511040, 252629928, 265926240, 280699920, 284653440, 297211680, 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約数ペア:

[(1, 20210394240), (2, 10105197120), (3, 6736798080), (4, 5052598560), (5, 4042078848), (6, 3368399040), (8, 2526299280), (9, 2245599360), (10, 2021039424), (12, 1684199520), (15, 1347359616), (16, 1263149640), (17, 1188846720), (18, 1122799680), (19, 1063704960), (20, 1010519712), (24, 842099760), (27, 748533120), (30, 673679808), (32, 631574820), (34, 594423360), (36, 561399840), (38, 531852480), (40, 505259856), (45, 449119872), (48, 421049880), (51, 396282240), (54, 374266560), (57, 354568320), (60, 336839904), (64, 315787410), (68, 297211680), (71, 284653440), (72, 280699920), (76, 265926240), (80, 252629928), (81, 249511040), (85, 237769344), (90, 224559936), (95, 212740992), (96, 210524940), (102, 198141120), (108, 187133280), (114, 177284160), (120, 168419952), (128, 157893705), (135, 149706624), (136, 148605840), (142, 142326720), (144, 140349960), (152, 132963120), (153, 132094080), (160, 126314964), (162, 124755520), (170, 118884672), (171, 118189440), (180, 112279968), (190, 106370496), (192, 105262470), (204, 99070560), (213, 94884480), (216, 93566640), (228, 88642080), (240, 84209976), (255, 79256448), (270, 74853312), (272, 74302920), (284, 71163360), (285, 70913664), (288, 70174980), (289, 69932160), (304, 66481560), (306, 66047040), (320, 63157482), (323, 62570880), (324, 62377760), (340, 59442336), (342, 59094720), (355, 56930688), (360, 56139984), (380, 53185248), (384, 52631235), (405, 49902208), (408, 49535280), (426, 47442240), (432, 46783320), (456, 44321040), (459, 44031360), (480, 42104988), (510, 39628224), (513, 39396480), (540, 37426656), (544, 37151460), (568, 35581680), (570, 35456832), (576, 35087490), (578, 34966080), (608, 33240780), (612, 33023520), (639, 31628160), (640, 31578741), (646, 31285440), (648, 31188880), (680, 29721168), (684, 29547360), (710, 28465344), (720, 28069992), (760, 26592624), (765, 26418816), (810, 24951104), (816, 24767640), (852, 23721120), (855, 23637888), (864, 23391660), (867, 23310720), (912, 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(2601, 7770240), (2698, 7490880), (2720, 7430292), (2736, 7386840), (2754, 7338560), (2840, 7116336), (2880, 7017498), (2890, 6993216), (2907, 6952320), (3040, 6648156), (3060, 6604704), (3078, 6566080), (3195, 6325632), (3230, 6257088), (3240, 6237776), (3264, 6191910), (3408, 5930280), (3420, 5909472), (3456, 5847915), (3468, 5827680), (3621, 5581440), (3648, 5540130), (3672, 5503920), (3834, 5271360), (3876, 5214240), (4047, 4993920), (4080, 4953528), (4104, 4924560), (4260, 4744224), (4320, 4678332), (4335, 4662144), (4544, 4447710), (4560, 4432104), (4590, 4403136), (4624, 4370760), (4828, 4186080), (4845, 4171392), (4896, 4127940), (5112, 3953520), (5130, 3939648), (5168, 3910680), (5184, 3898610), (5202, 3885120), (5396, 3745440), (5440, 3715146), (5472, 3693420), (5491, 3680640), (5508, 3669280), (5680, 3558168), (5751, 3514240), (5760, 3508749), (5780, 3496608), (5814, 3476160), (6035, 3348864), (6080, 3324078), (6120, 3302352), (6156, 3283040), (6390, 3162816), (6460, 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702848), (28968, 697680), (29070, 695232), (29376, 687990), (30672, 658920), (30780, 656608), (31008, 651780), (31212, 647520), (32376, 624240), (32589, 620160), (32640, 619191), (32832, 615570), (32946, 613440), (34080, 593028), (34680, 582768), (34884, 579360), (36210, 558144), (36423, 554880), (36480, 554013), (36720, 550392), (36992, 546345), (38340, 527136), (38624, 523260), (38760, 521424), (39015, 518016), (40470, 499392), (40896, 494190), (41038, 492480), (41040, 492456), (41344, 488835), (41616, 485640), (43168, 468180), (43452, 465120), (43605, 463488), (43928, 460080), (44064, 458660), (45440, 444771), (45866, 440640), (46008, 439280), (46240, 437076), (46512, 434520), (46818, 431680), (48280, 418608), (48564, 416160), (48960, 412794), (49248, 410380), (49419, 408960), (51120, 395352), (51680, 391068), (51840, 389861), (52020, 388512), (52326, 386240), (53960, 374544), (54315, 372096), (54720, 369342), (54910, 368064), (55080, 366928), (55488, 364230), (57510, 351424), (57936, 348840), (58140, 347616), (58752, 343995), (60705, 332928), (61344, 329460), (61557, 328320), (61560, 328304), (62016, 325890), (62424, 323760), (64752, 312120), (65178, 310080), (65664, 307785), (65892, 306720), (68160, 296514), (68799, 293760), (69360, 291384), (69768, 289680), (72420, 279072), (72846, 277440), (73440, 275196), (76680, 263568), (77248, 261630), (77520, 260712), (78030, 259008), (80940, 249696), (81792, 247095), (82076, 246240), (82080, 246228), (82365, 245376), (83232, 242820), (86336, 234090), (86904, 232560), (87210, 231744), (87856, 230040), (88128, 229330), (91732, 220320), (92016, 219640), (92480, 218538), (93024, 217260), (93636, 215840), (96560, 209304), (97128, 208080), (97767, 206720), (97920, 206397), (98496, 205190), (98838, 204480), (102240, 197676), (102595, 196992), (103360, 195534), (104040, 194256), (104652, 193120), (107920, 187272), (108630, 186048), (109269, 184960), (109440, 184671), (109820, 184032), (110160, 183464), (110976, 182115), (114665, 176256), (115020, 175712), (115872, 174420), (116280, 173808), (117045, 172672), (121410, 166464), (122688, 164730), (123114, 164160), (123120, 164152), (124032, 162945), (124848, 161880), (129504, 156060), (130356, 155040), (130815, 154496), (131784, 153360), (136320, 148257), (137598, 146880), (138720, 145692), (139536, 144840)]