20544218240

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:389

約数の個数: 512

約数和(自身を含む): 64568448000

約数和(自身を除く): 44024229760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 49, 52, 56, 64, 65, 70, 80, 91, 92, 98, 104, 112, 115, 128, 130, 140, 160, 161, 182, 184, 196, 208, 224, 230, 245, 260, 280, 299, 313, 320, 322, 343, 364, 368, 392, 416, 448, 455, 460, 490, 520, 560, 598, 626, 637, 640, 644, 686, 728, 736, 784, 805, 832, 896, 910, 920, 980, 1040, 1120, 1127, 1196, 1252, 1274, 1288, 1372, 1456, 1472, 1495, 1565, 1568, 1610, 1664, 1715, 1820, 1840, 1960, 2080, 2093, 2191, 2240, 2254, 2392, 2504, 2548, 2576, 2744, 2912, 2944, 2990, 3130, 3136, 3185, 3220, 3430, 3640, 3680, 3920, 4069, 4160, 4186, 4382, 4459, 4480, 4508, 4784, 5008, 5096, 5152, 5488, 5635, 5824, 5980, 6260, 6272, 6370, 6440, 6860, 7199, 7280, 7360, 7840, 7889, 8138, 8320, 8372, 8764, 8918, 9016, 9568, 10016, 10192, 10304, 10465, 10955, 10976, 11270, 11648, 11960, 12520, 12740, 12880, 13720, 14398, 14560, 14651, 14720, 15337, 15680, 15778, 16276, 16744, 17528, 17836, 18032, 19136, 20032, 20345, 20384, 20608, 20930, 21910, 21952, 22295, 22540, 23920, 25040, 25480, 25760, 27440, 28483, 28796, 29120, 29302, 30674, 31360, 31556, 32552, 33488, 35056, 35672, 35995, 36064, 38272, 39445, 40064, 40690, 40768, 41860, 43820, 43904, 44590, 45080, 47840, 50080, 50393, 50960, 51520, 54880, 56966, 57592, 58240, 58604, 61348, 63112, 65104, 66976, 70112, 71344, 71990, 72128, 73255, 76685, 78890, 81380, 81536, 83720, 87640, 89180, 90160, 93587, 95680, 100160, 100786, 101920, 102557, 103040, 107359, 109760, 113932, 115184, 117208, 122696, 126224, 130208, 133952, 140224, 142415, 142688, 143980, 144256, 146510, 153370, 157780, 162760, 167440, 175280, 178360, 180320, 187174, 191360, 199381, 200320, 201572, 203840, 205114, 214718, 219520, 227864, 230368, 234416, 245392, 251965, 252448, 260416, 267904, 280448, 284830, 285376, 287960, 293020, 306740, 315560, 325520, 334880, 350560, 352751, 356720, 360640, 374348, 398762, 403144, 407680, 410228, 429436, 455728, 460736, 467935, 468832, 490784, 503930, 504896, 512785, 520832, 536795, 569660, 570752, 575920, 586040, 613480, 631120, 651040, 655109, 669760, 701120, 705502, 713440, 721280, 748696, 797524, 806288, 820456, 858872, 911456, 921472, 935870, 937664, 981568, 996905, 1007860, 1009792, 1025570, 1073590, 1139320, 1151840, 1172080, 1226960, 1262240, 1302080, 1310218, 1339520, 1395667, 1402240, 1411004, 1426880, 1497392, 1595048, 1612576, 1640912, 1717744, 1763755, 1822912, 1871740, 1875328, 1963136, 1993810, 2015720, 2051140, 2147180, 2278640, 2303680, 2344160, 2453920, 2469257, 2524480, 2604160, 2620436, 2791334, 2822008, 2853760, 2994784, 3190096, 3225152, 3275545, 3281824, 3435488, 3527510, 3645824, 3743480, 3987620, 4031440, 4102280, 4294360, 4557280, 4585763, 4607360, 4688320, 4907840, 4938514, 5048960, 5240872, 5582668, 5644016, 5989568, 6380192, 6450304, 6551090, 6563648, 6870976, 6978335, 7055020, 7486960, 7975240, 8062880, 8204560, 8588720, 9114560, 9171526, 9376640, 9815680, 9877028, 10481744, 11165336, 11288032, 11979136, 12346285, 12760384, 13102180, 13127296, 13741952, 13956670, 14110040, 14973920, 15950480, 16125760, 16409120, 17177440, 18229120, 18343052, 19754056, 20963488, 22330672, 22576064, 22928815, 24692570, 25520768, 26204360, 27913340, 28220080, 29947840, 31900960, 32100341, 32251520, 32818240, 34354880, 36686104, 39508112, 41926976, 44661344, 45152128, 45857630, 49385140, 52408720, 55826680, 56440160, 59895680, 63801920, 64200682, 65636480, 68709760, 73372208, 79016224, 83853952, 89322688, 91715260, 98770280, 104817440, 111653360, 112880320, 127603840, 128401364, 146744416, 158032448, 160501705, 178645376, 183430520, 197540560, 209634880, 223306720, 225760640, 256802728, 293488832, 316064896, 321003410, 366861040, 395081120, 419269760, 446613440, 513605456, 586977664, 642006820, 733722080, 790162240, 893226880, 1027210912, 1284013640, 1467444160, 1580324480, 2054421824, 2568027280, 2934888320, 4108843648, 5136054560, 10272109120, 20544218240]

約数ペア:

[(1, 20544218240), (2, 10272109120), (4, 5136054560), (5, 4108843648), (7, 2934888320), (8, 2568027280), (10, 2054421824), (13, 1580324480), (14, 1467444160), (16, 1284013640), (20, 1027210912), (23, 893226880), (26, 790162240), (28, 733722080), (32, 642006820), (35, 586977664), (40, 513605456), (46, 446613440), (49, 419269760), (52, 395081120), (56, 366861040), (64, 321003410), (65, 316064896), (70, 293488832), (80, 256802728), (91, 225760640), (92, 223306720), (98, 209634880), (104, 197540560), (112, 183430520), (115, 178645376), (128, 160501705), (130, 158032448), (140, 146744416), (160, 128401364), (161, 127603840), (182, 112880320), (184, 111653360), (196, 104817440), (208, 98770280), (224, 91715260), (230, 89322688), (245, 83853952), (260, 79016224), (280, 73372208), (299, 68709760), (313, 65636480), (320, 64200682), (322, 63801920), (343, 59895680), (364, 56440160), (368, 55826680), (392, 52408720), (416, 49385140), (448, 45857630), (455, 45152128), (460, 44661344), (490, 41926976), (520, 39508112), (560, 36686104), (598, 34354880), (626, 32818240), (637, 32251520), (640, 32100341), (644, 31900960), (686, 29947840), (728, 28220080), (736, 27913340), (784, 26204360), (805, 25520768), (832, 24692570), (896, 22928815), (910, 22576064), (920, 22330672), (980, 20963488), (1040, 19754056), (1120, 18343052), (1127, 18229120), (1196, 17177440), (1252, 16409120), (1274, 16125760), (1288, 15950480), (1372, 14973920), (1456, 14110040), (1472, 13956670), (1495, 13741952), (1565, 13127296), (1568, 13102180), (1610, 12760384), (1664, 12346285), (1715, 11979136), (1820, 11288032), (1840, 11165336), (1960, 10481744), (2080, 9877028), (2093, 9815680), (2191, 9376640), (2240, 9171526), (2254, 9114560), (2392, 8588720), (2504, 8204560), (2548, 8062880), (2576, 7975240), (2744, 7486960), (2912, 7055020), (2944, 6978335), (2990, 6870976), (3130, 6563648), (3136, 6551090), (3185, 6450304), (3220, 6380192), (3430, 5989568), (3640, 5644016), (3680, 5582668), (3920, 5240872), (4069, 5048960), (4160, 4938514), (4186, 4907840), (4382, 4688320), (4459, 4607360), (4480, 4585763), (4508, 4557280), (4784, 4294360), (5008, 4102280), (5096, 4031440), (5152, 3987620), (5488, 3743480), (5635, 3645824), (5824, 3527510), (5980, 3435488), (6260, 3281824), (6272, 3275545), (6370, 3225152), (6440, 3190096), (6860, 2994784), (7199, 2853760), (7280, 2822008), (7360, 2791334), (7840, 2620436), (7889, 2604160), (8138, 2524480), (8320, 2469257), (8372, 2453920), (8764, 2344160), (8918, 2303680), (9016, 2278640), (9568, 2147180), (10016, 2051140), (10192, 2015720), (10304, 1993810), (10465, 1963136), (10955, 1875328), (10976, 1871740), (11270, 1822912), (11648, 1763755), (11960, 1717744), (12520, 1640912), (12740, 1612576), (12880, 1595048), (13720, 1497392), (14398, 1426880), (14560, 1411004), (14651, 1402240), (14720, 1395667), (15337, 1339520), (15680, 1310218), (15778, 1302080), (16276, 1262240), (16744, 1226960), (17528, 1172080), (17836, 1151840), (18032, 1139320), (19136, 1073590), (20032, 1025570), (20345, 1009792), (20384, 1007860), (20608, 996905), (20930, 981568), (21910, 937664), (21952, 935870), (22295, 921472), (22540, 911456), (23920, 858872), (25040, 820456), (25480, 806288), (25760, 797524), (27440, 748696), (28483, 721280), (28796, 713440), (29120, 705502), (29302, 701120), (30674, 669760), (31360, 655109), (31556, 651040), (32552, 631120), (33488, 613480), (35056, 586040), (35672, 575920), (35995, 570752), (36064, 569660), (38272, 536795), (39445, 520832), (40064, 512785), (40690, 504896), (40768, 503930), (41860, 490784), (43820, 468832), (43904, 467935), (44590, 460736), (45080, 455728), (47840, 429436), (50080, 410228), (50393, 407680), (50960, 403144), (51520, 398762), (54880, 374348), (56966, 360640), (57592, 356720), (58240, 352751), (58604, 350560), (61348, 334880), (63112, 325520), (65104, 315560), (66976, 306740), (70112, 293020), (71344, 287960), (71990, 285376), (72128, 284830), (73255, 280448), (76685, 267904), (78890, 260416), (81380, 252448), (81536, 251965), (83720, 245392), (87640, 234416), (89180, 230368), (90160, 227864), (93587, 219520), (95680, 214718), (100160, 205114), (100786, 203840), (101920, 201572), (102557, 200320), (103040, 199381), (107359, 191360), (109760, 187174), (113932, 180320), (115184, 178360), (117208, 175280), (122696, 167440), (126224, 162760), (130208, 157780), (133952, 153370), (140224, 146510), (142415, 144256), (142688, 143980)]