20784625920

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3517}}^1$

素因数の和:3572

約数の個数: 432

約数和(自身を含む): 78523448640

約数和(自身を除く): 57738822720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 243, 256, 270, 285, 288, 304, 320, 324, 342, 360, 380, 384, 405, 432, 456, 480, 486, 513, 540, 570, 576, 608, 640, 648, 684, 720, 760, 768, 810, 855, 864, 912, 960, 972, 1026, 1080, 1140, 1152, 1215, 1216, 1280, 1296, 1368, 1440, 1520, 1539, 1620, 1710, 1728, 1824, 1920, 1944, 2052, 2160, 2280, 2304, 2430, 2432, 2565, 2592, 2736, 2880, 3040, 3078, 3240, 3420, 3456, 3517, 3648, 3840, 3888, 4104, 4320, 4560, 4617, 4860, 4864, 5130, 5184, 5472, 5760, 6080, 6156, 6480, 6840, 6912, 7034, 7296, 7695, 7776, 8208, 8640, 9120, 9234, 9720, 10260, 10368, 10551, 10944, 11520, 12160, 12312, 12960, 13680, 14068, 14592, 15390, 15552, 16416, 17280, 17585, 18240, 18468, 19440, 20520, 20736, 21102, 21888, 23085, 24320, 24624, 25920, 27360, 28136, 30780, 31104, 31653, 32832, 34560, 35170, 36480, 36936, 38880, 41040, 42204, 43776, 46170, 49248, 51840, 52755, 54720, 56272, 61560, 62208, 63306, 65664, 66823, 70340, 72960, 73872, 77760, 82080, 84408, 92340, 94959, 98496, 103680, 105510, 109440, 112544, 123120, 126612, 131328, 133646, 140680, 147744, 155520, 158265, 164160, 168816, 184680, 189918, 196992, 200469, 211020, 218880, 225088, 246240, 253224, 267292, 281360, 284877, 295488, 311040, 316530, 328320, 334115, 337632, 369360, 379836, 393984, 400938, 422040, 450176, 474795, 492480, 506448, 534584, 562720, 569754, 590976, 601407, 633060, 656640, 668230, 675264, 738720, 759672, 801876, 844080, 854631, 900352, 949590, 984960, 1002345, 1012896, 1069168, 1125440, 1139508, 1181952, 1202814, 1266120, 1336460, 1350528, 1424385, 1477440, 1519344, 1603752, 1688160, 1709262, 1804221, 1899180, 1969920, 2004690, 2025792, 2138336, 2250880, 2279016, 2405628, 2532240, 2672920, 2701056, 2848770, 2954880, 3007035, 3038688, 3207504, 3376320, 3418524, 3608442, 3798360, 4009380, 4051584, 4273155, 4276672, 4501760, 4558032, 4811256, 5064480, 5345840, 5412663, 5697540, 5909760, 6014070, 6077376, 6415008, 6752640, 6837048, 7216884, 7596720, 8018760, 8103168, 8546310, 8553344, 9021105, 9116064, 9622512, 10128960, 10691680, 10825326, 11395080, 12028140, 12154752, 12830016, 13505280, 13674096, 14433768, 15193440, 16037520, 16237989, 17092620, 17106688, 18042210, 18232128, 19245024, 20257920, 21383360, 21650652, 22790160, 24056280, 24309504, 25660032, 27063315, 27348192, 28867536, 30386880, 32075040, 32475978, 34185240, 36084420, 36464256, 38490048, 40515840, 42766720, 43301304, 45580320, 48112560, 51320064, 54126630, 54696384, 57735072, 60773760, 64150080, 64951956, 68370480, 72168840, 72928512, 76980096, 81189945, 85533440, 86602608, 91160640, 96225120, 108253260, 109392768, 115470144, 121547520, 128300160, 129903912, 136740960, 144337680, 153960192, 162379890, 173205216, 182321280, 192450240, 216506520, 218785536, 230940288, 256600320, 259807824, 273481920, 288675360, 324759780, 346410432, 364642560, 384900480, 433013040, 461880576, 519615648, 546963840, 577350720, 649519560, 692820864, 769800960, 866026080, 1039231296, 1093927680, 1154701440, 1299039120, 1385641728, 1732052160, 2078462592, 2309402880, 2598078240, 3464104320, 4156925184, 5196156480, 6928208640, 10392312960, 20784625920]

約数ペア:

[(1, 20784625920), (2, 10392312960), (3, 6928208640), (4, 5196156480), (5, 4156925184), (6, 3464104320), (8, 2598078240), (9, 2309402880), (10, 2078462592), (12, 1732052160), (15, 1385641728), (16, 1299039120), (18, 1154701440), (19, 1093927680), (20, 1039231296), (24, 866026080), (27, 769800960), (30, 692820864), (32, 649519560), (36, 577350720), (38, 546963840), (40, 519615648), (45, 461880576), (48, 433013040), (54, 384900480), (57, 364642560), (60, 346410432), (64, 324759780), (72, 288675360), (76, 273481920), (80, 259807824), (81, 256600320), (90, 230940288), (95, 218785536), (96, 216506520), (108, 192450240), (114, 182321280), (120, 173205216), (128, 162379890), (135, 153960192), (144, 144337680), (152, 136740960), (160, 129903912), (162, 128300160), (171, 121547520), (180, 115470144), (190, 109392768), (192, 108253260), (216, 96225120), (228, 91160640), (240, 86602608), (243, 85533440), (256, 81189945), (270, 76980096), (285, 72928512), (288, 72168840), (304, 68370480), (320, 64951956), (324, 64150080), (342, 60773760), (360, 57735072), (380, 54696384), (384, 54126630), (405, 51320064), (432, 48112560), (456, 45580320), (480, 43301304), (486, 42766720), (513, 40515840), (540, 38490048), (570, 36464256), (576, 36084420), (608, 34185240), (640, 32475978), (648, 32075040), (684, 30386880), (720, 28867536), (760, 27348192), (768, 27063315), (810, 25660032), (855, 24309504), (864, 24056280), (912, 22790160), (960, 21650652), (972, 21383360), (1026, 20257920), (1080, 19245024), (1140, 18232128), (1152, 18042210), (1215, 17106688), (1216, 17092620), (1280, 16237989), (1296, 16037520), (1368, 15193440), (1440, 14433768), (1520, 13674096), (1539, 13505280), (1620, 12830016), (1710, 12154752), (1728, 12028140), (1824, 11395080), (1920, 10825326), (1944, 10691680), (2052, 10128960), (2160, 9622512), (2280, 9116064), (2304, 9021105), (2430, 8553344), (2432, 8546310), (2565, 8103168), (2592, 8018760), (2736, 7596720), (2880, 7216884), (3040, 6837048), (3078, 6752640), (3240, 6415008), (3420, 6077376), (3456, 6014070), (3517, 5909760), (3648, 5697540), (3840, 5412663), (3888, 5345840), (4104, 5064480), (4320, 4811256), (4560, 4558032), (4617, 4501760), (4860, 4276672), (4864, 4273155), (5130, 4051584), (5184, 4009380), (5472, 3798360), (5760, 3608442), (6080, 3418524), (6156, 3376320), (6480, 3207504), (6840, 3038688), (6912, 3007035), (7034, 2954880), (7296, 2848770), (7695, 2701056), (7776, 2672920), (8208, 2532240), (8640, 2405628), (9120, 2279016), (9234, 2250880), (9720, 2138336), (10260, 2025792), (10368, 2004690), (10551, 1969920), (10944, 1899180), (11520, 1804221), (12160, 1709262), (12312, 1688160), (12960, 1603752), (13680, 1519344), (14068, 1477440), (14592, 1424385), (15390, 1350528), (15552, 1336460), (16416, 1266120), (17280, 1202814), (17585, 1181952), (18240, 1139508), (18468, 1125440), (19440, 1069168), (20520, 1012896), (20736, 1002345), (21102, 984960), (21888, 949590), (23085, 900352), (24320, 854631), (24624, 844080), (25920, 801876), (27360, 759672), (28136, 738720), (30780, 675264), (31104, 668230), (31653, 656640), (32832, 633060), (34560, 601407), (35170, 590976), (36480, 569754), (36936, 562720), (38880, 534584), (41040, 506448), (42204, 492480), (43776, 474795), (46170, 450176), (49248, 422040), (51840, 400938), (52755, 393984), (54720, 379836), (56272, 369360), (61560, 337632), (62208, 334115), (63306, 328320), (65664, 316530), (66823, 311040), (70340, 295488), (72960, 284877), (73872, 281360), (77760, 267292), (82080, 253224), (84408, 246240), (92340, 225088), (94959, 218880), (98496, 211020), (103680, 200469), (105510, 196992), (109440, 189918), (112544, 184680), (123120, 168816), (126612, 164160), (131328, 158265), (133646, 155520), (140680, 147744)]