20421371520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:385

約数の個数: 768

約数和(自身を含む): 81846236160

約数和(自身を除く): 61424864640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 32, 33, 36, 37, 40, 44, 45, 48, 55, 60, 62, 64, 66, 72, 74, 80, 88, 90, 93, 96, 99, 110, 111, 120, 124, 128, 132, 144, 148, 155, 160, 165, 176, 180, 185, 186, 192, 198, 220, 222, 240, 248, 264, 279, 281, 288, 296, 310, 320, 330, 333, 341, 352, 360, 370, 372, 384, 396, 407, 440, 444, 465, 480, 495, 496, 528, 555, 558, 562, 576, 592, 620, 640, 660, 666, 682, 704, 720, 740, 744, 792, 814, 843, 880, 888, 930, 960, 990, 992, 1023, 1056, 1110, 1116, 1124, 1147, 1152, 1184, 1221, 1240, 1320, 1332, 1364, 1395, 1405, 1408, 1440, 1480, 1488, 1584, 1628, 1665, 1686, 1705, 1760, 1776, 1860, 1920, 1980, 1984, 2035, 2046, 2112, 2220, 2232, 2248, 2294, 2368, 2442, 2480, 2529, 2640, 2664, 2728, 2790, 2810, 2880, 2960, 2976, 3069, 3091, 3168, 3256, 3330, 3372, 3410, 3441, 3520, 3552, 3663, 3720, 3960, 3968, 4070, 4092, 4215, 4224, 4440, 4464, 4496, 4588, 4736, 4884, 4960, 5058, 5115, 5280, 5328, 5456, 5580, 5620, 5735, 5760, 5920, 5952, 6105, 6138, 6182, 6336, 6512, 6660, 6744, 6820, 6882, 7040, 7104, 7326, 7440, 7920, 8140, 8184, 8430, 8711, 8880, 8928, 8992, 9176, 9273, 9768, 9920, 10116, 10230, 10323, 10397, 10560, 10656, 10912, 11160, 11240, 11470, 11840, 11904, 12210, 12276, 12364, 12617, 12645, 12672, 13024, 13320, 13488, 13640, 13764, 14208, 14652, 14880, 15345, 15455, 15840, 16280, 16368, 16860, 17205, 17422, 17760, 17856, 17984, 18315, 18352, 18546, 19536, 19840, 20232, 20460, 20646, 20794, 21120, 21312, 21824, 22320, 22480, 22940, 23680, 24420, 24552, 24728, 25234, 25290, 26048, 26133, 26640, 26976, 27280, 27528, 27819, 29304, 29760, 30690, 30910, 31191, 31680, 32560, 32736, 33720, 34410, 34844, 35520, 35712, 35968, 36630, 36704, 37092, 37851, 39072, 40464, 40920, 41292, 41588, 42624, 43555, 43648, 44640, 44960, 45880, 46365, 48840, 49104, 49456, 50468, 50580, 51615, 51985, 52096, 52266, 53280, 53952, 54560, 55056, 55638, 58608, 59520, 61380, 61820, 62382, 63085, 63360, 65120, 65472, 67440, 68820, 69688, 71040, 73260, 73408, 74184, 75702, 78144, 78399, 80928, 81840, 82584, 83176, 87110, 89280, 89920, 91760, 92730, 93573, 95821, 97680, 98208, 98912, 100936, 101160, 103230, 103970, 104532, 106560, 107904, 109120, 110112, 111276, 113553, 114367, 117216, 122760, 123640, 124764, 126170, 130240, 130665, 130944, 134880, 137640, 139095, 139376, 146520, 146816, 148368, 151404, 155955, 156288, 156798, 161856, 163680, 165168, 166352, 174220, 178560, 179840, 183520, 185460, 187146, 189255, 191642, 195360, 196416, 197824, 201872, 202320, 206460, 207940, 209064, 213120, 218240, 220224, 222552, 227106, 228734, 234432, 245520, 247280, 249528, 252340, 260480, 261330, 269760, 275280, 278190, 278752, 287463, 293040, 296736, 302808, 311910, 313596, 322307, 323712, 327360, 330336, 332704, 343101, 348440, 367040, 370920, 374292, 378510, 383284, 390720, 391995, 392832, 395648, 403744, 404640, 412920, 415880, 418128, 440448, 445104, 454212, 457468, 467865, 468864, 479105, 491040, 494560, 499056, 504680, 522660, 539520, 550560, 556380, 557504, 567765, 571835, 574926, 586080, 593472, 605616, 623820, 627192, 644614, 654720, 660672, 665408, 686202, 696880, 734080, 741840, 748584, 757020, 766568, 781440, 783990, 807488, 809280, 825840, 831760, 836256, 862389, 890208, 908424, 914936, 935730, 958210, 966921, 982080, 989120, 998112, 1009360, 1029303, 1045320, 1101120, 1112760, 1115008, 1135530, 1143670, 1149852, 1172160, 1186944, 1211232, 1247640, 1254384, 1289228, 1321344, 1330816, 1372404, 1393760, 1437315, 1483680, 1497168, 1514040, 1533136, 1567980, 1611535, 1614976, 1618560, 1651680, 1663520, 1672512, 1715505, 1724778, 1780416, 1816848, 1829872, 1871460, 1916420, 1933842, 1964160, 1978240, 1996224, 2018720, 2058606, 2090640, 2202240, 2225520, 2271060, 2287340, 2299704, 2344320, 2422464, 2495280, 2508768, 2578456, 2744808, 2787520, 2874630, 2900763, 2967360, 2994336, 3028080, 3066272, 3135960, 3223070, 3303360, 3327040, 3345024, 3431010, 3449556, 3545377, 3560832, 3633696, 3659744, 3742920, 3832840, 3867684, 3992448, 4037440, 4117212, 4181280, 4311945, 4451040, 4542120, 4574680, 4599408, 4834605, 4844928, 4990560, 5017536, 5146515, 5156912, 5489616, 5575040, 5749260, 5801526, 5934720, 5988672, 6056160, 6132544, 6271920, 6446140, 6606720, 6654080, 6862020, 6899112, 7090754, 7267392, 7319488, 7485840, 7665680, 7735368, 8074880, 8234424, 8362560, 8623890, 8902080, 9084240, 9149360, 9198816, 9669210, 9981120, 10035072, 10293030, 10313824, 10636131, 10979232, 11498520, 11603052, 11977344, 12112320, 12265088, 12543840, 12892280, 13724040, 13798224, 14181508, 14503815, 14534784, 14638976, 14971680, 15331360, 15470736, 16468848, 16725120, 17247780, 17726885, 17804160, 18168480, 18298720, 18397632, 19338420, 19962240, 20586060, 20627648, 21272262, 21958464, 22997040, 23206104, 24224640, 25087680, 25784560, 27448080, 27596448, 28363016, 29007630, 29943360, 30662720, 30941472, 31908393, 32937696, 34495560, 35453770, 36336960, 36597440, 36795264, 38676840, 41172120, 41255296, 42544524, 43916928, 45994080, 46412208, 50175360, 51569120, 53180655, 54896160, 55192896, 56726032, 58015260, 59886720, 61325440, 61882944, 63816786, 65875392, 68991120, 70907540, 72673920, 73194880, 77353680, 82344240, 85089048, 91988160, 92824416, 103138240, 106361310, 109792320, 110385792, 113452064, 116030520, 123765888, 127633572, 131750784, 137982240, 141815080, 154707360, 159541965, 164688480, 170178096, 183976320, 185648832, 206276480, 212722620, 219584640, 226904128, 232061040, 255267144, 275964480, 283630160, 309414720, 319083930, 329376960, 340356192, 371297664, 425445240, 453808256, 464122080, 510534288, 551928960, 567260320, 618829440, 638167860, 658753920, 680712384, 850890480, 928244160, 1021068576, 1134520640, 1276335720, 1361424768, 1701780960, 1856488320, 2042137152, 2269041280, 2552671440, 3403561920, 4084274304, 5105342880, 6807123840, 10210685760, 20421371520]

約数ペア:

[(1, 20421371520), (2, 10210685760), (3, 6807123840), (4, 5105342880), (5, 4084274304), (6, 3403561920), (8, 2552671440), (9, 2269041280), (10, 2042137152), (11, 1856488320), (12, 1701780960), (15, 1361424768), (16, 1276335720), (18, 1134520640), (20, 1021068576), (22, 928244160), (24, 850890480), (30, 680712384), (31, 658753920), (32, 638167860), (33, 618829440), (36, 567260320), (37, 551928960), (40, 510534288), (44, 464122080), (45, 453808256), (48, 425445240), (55, 371297664), (60, 340356192), (62, 329376960), (64, 319083930), (66, 309414720), (72, 283630160), (74, 275964480), (80, 255267144), (88, 232061040), (90, 226904128), (93, 219584640), (96, 212722620), (99, 206276480), (110, 185648832), (111, 183976320), (120, 170178096), (124, 164688480), (128, 159541965), (132, 154707360), (144, 141815080), (148, 137982240), (155, 131750784), (160, 127633572), (165, 123765888), (176, 116030520), (180, 113452064), (185, 110385792), (186, 109792320), (192, 106361310), (198, 103138240), (220, 92824416), (222, 91988160), (240, 85089048), (248, 82344240), (264, 77353680), (279, 73194880), (281, 72673920), (288, 70907540), (296, 68991120), (310, 65875392), (320, 63816786), (330, 61882944), (333, 61325440), (341, 59886720), (352, 58015260), (360, 56726032), (370, 55192896), (372, 54896160), (384, 53180655), (396, 51569120), (407, 50175360), (440, 46412208), (444, 45994080), (465, 43916928), (480, 42544524), (495, 41255296), (496, 41172120), (528, 38676840), (555, 36795264), (558, 36597440), (562, 36336960), (576, 35453770), (592, 34495560), (620, 32937696), (640, 31908393), (660, 30941472), (666, 30662720), (682, 29943360), (704, 29007630), (720, 28363016), (740, 27596448), (744, 27448080), (792, 25784560), (814, 25087680), (843, 24224640), (880, 23206104), (888, 22997040), (930, 21958464), (960, 21272262), (990, 20627648), (992, 20586060), (1023, 19962240), (1056, 19338420), (1110, 18397632), (1116, 18298720), (1124, 18168480), (1147, 17804160), (1152, 17726885), (1184, 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(80928, 252340), (81840, 249528), (82584, 247280), (83176, 245520), (87110, 234432), (89280, 228734), (89920, 227106), (91760, 222552), (92730, 220224), (93573, 218240), (95821, 213120), (97680, 209064), (98208, 207940), (98912, 206460), (100936, 202320), (101160, 201872), (103230, 197824), (103970, 196416), (104532, 195360), (106560, 191642), (107904, 189255), (109120, 187146), (110112, 185460), (111276, 183520), (113553, 179840), (114367, 178560), (117216, 174220), (122760, 166352), (123640, 165168), (124764, 163680), (126170, 161856), (130240, 156798), (130665, 156288), (130944, 155955), (134880, 151404), (137640, 148368), (139095, 146816), (139376, 146520)]