20513450880

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:604

約数の個数: 640

約数和(自身を含む): 80346420000

約数和(自身を除く): 59832969120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 61, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 122, 128, 130, 135, 144, 156, 160, 162, 180, 183, 192, 195, 208, 216, 234, 240, 244, 260, 270, 288, 305, 312, 320, 324, 351, 360, 366, 384, 390, 405, 416, 432, 468, 480, 488, 499, 520, 540, 549, 576, 585, 610, 624, 640, 648, 702, 720, 732, 780, 793, 810, 832, 864, 915, 936, 960, 976, 998, 1040, 1053, 1080, 1098, 1152, 1170, 1220, 1248, 1296, 1404, 1440, 1464, 1497, 1560, 1586, 1620, 1647, 1664, 1728, 1755, 1830, 1872, 1920, 1952, 1996, 2080, 2106, 2160, 2196, 2340, 2379, 2440, 2495, 2496, 2592, 2745, 2808, 2880, 2928, 2994, 3120, 3172, 3240, 3294, 3456, 3510, 3660, 3744, 3904, 3965, 3992, 4160, 4212, 4320, 4392, 4491, 4680, 4758, 4880, 4941, 4990, 4992, 5184, 5265, 5490, 5616, 5760, 5856, 5988, 6240, 6344, 6480, 6487, 6588, 7020, 7137, 7320, 7485, 7488, 7808, 7930, 7984, 8235, 8320, 8424, 8640, 8784, 8982, 9360, 9516, 9760, 9882, 9980, 10368, 10530, 10980, 11232, 11712, 11895, 11976, 12480, 12688, 12960, 12974, 13176, 13473, 14040, 14274, 14640, 14970, 14976, 15860, 15968, 16470, 16848, 17280, 17568, 17964, 18720, 19032, 19461, 19520, 19764, 19960, 21060, 21411, 21960, 22455, 22464, 23424, 23790, 23952, 24705, 24960, 25376, 25920, 25948, 26352, 26946, 28080, 28548, 29280, 29940, 30439, 31720, 31936, 32435, 32940, 33696, 35136, 35685, 35928, 37440, 38064, 38922, 39040, 39528, 39920, 40419, 42120, 42822, 43920, 44910, 44928, 47580, 47904, 49410, 50752, 51840, 51896, 52704, 53892, 56160, 57096, 58383, 58560, 59880, 60878, 63440, 63872, 64233, 64870, 65880, 67365, 67392, 70272, 71370, 71856, 74880, 76128, 77844, 79056, 79840, 80838, 84240, 85644, 87840, 89820, 91317, 95160, 95808, 97305, 98820, 101504, 103792, 105408, 107055, 107784, 112320, 114192, 116766, 117120, 119760, 121756, 126880, 128466, 129740, 131760, 134730, 134784, 142740, 143712, 152195, 152256, 155688, 158112, 159680, 161676, 168480, 171288, 175149, 175680, 179640, 182634, 190320, 191616, 194610, 197640, 202095, 207584, 210816, 214110, 215568, 224640, 228384, 233532, 239520, 243512, 253760, 256932, 259480, 263520, 269460, 273951, 285480, 287424, 291915, 304390, 304512, 311376, 316224, 319360, 321165, 323352, 336960, 342576, 350298, 351360, 359280, 365268, 380640, 389220, 395280, 395707, 404190, 415168, 428220, 431136, 456585, 456768, 467064, 479040, 487024, 507520, 513864, 518960, 525447, 527040, 538920, 547902, 570960, 574848, 583830, 608780, 622752, 632448, 642330, 646704, 673920, 685152, 700596, 718560, 730536, 761280, 778440, 790560, 791414, 808380, 821853, 830336, 856440, 862272, 875745, 913170, 913536, 934128, 958080, 974048, 1027728, 1037920, 1050894, 1054080, 1077840, 1095804, 1141920, 1167660, 1187121, 1217560, 1245504, 1284660, 1293408, 1369755, 1370304, 1401192, 1437120, 1461072, 1522560, 1556880, 1581120, 1582828, 1616760, 1643706, 1712880, 1724544, 1751490, 1826340, 1868256, 1948096, 1978535, 2055456, 2075840, 2101788, 2155680, 2191608, 2283840, 2335320, 2374242, 2435120, 2465559, 2491008, 2569320, 2586816, 2627235, 2739510, 2740608, 2802384, 2874240, 2922144, 3113760, 3162240, 3165656, 3233520, 3287412, 3425760, 3502980, 3561363, 3652680, 3736512, 3896192, 3957070, 4109265, 4110912, 4151680, 4203576, 4311360, 4383216, 4567680, 4670640, 4748484, 4870240, 4931118, 5138640, 5173632, 5254470, 5479020, 5604768, 5844288, 5935605, 6227520, 6331312, 6467040, 6574824, 6851520, 7005960, 7122726, 7305360, 7473024, 7914140, 8218530, 8221824, 8407152, 8622720, 8766432, 9341280, 9496968, 9740480, 9862236, 10277280, 10508940, 10684089, 10958040, 11209536, 11688576, 11871210, 12327795, 12455040, 12662624, 12934080, 13149648, 13703040, 14011920, 14245452, 14610720, 15828280, 16437060, 16814304, 17532864, 17806815, 18682560, 18993936, 19480960, 19724472, 20554560, 21017880, 21368178, 21916080, 22419072, 23742420, 24655590, 25325248, 25868160, 26299296, 28023840, 28490904, 29221440, 31656560, 32052267, 32874120, 33628608, 35065728, 35613630, 37365120, 37987872, 39448944, 41109120, 42035760, 42736356, 43832160, 47484840, 49311180, 50650496, 52598592, 53420445, 56047680, 56981808, 58442880, 63313120, 64104534, 65748240, 67257216, 71227260, 75975744, 78897888, 84071520, 85472712, 87664320, 94969680, 98622360, 105197184, 106840890, 112095360, 113963616, 126626240, 128209068, 131496480, 142454520, 151951488, 157795776, 160261335, 168143040, 170945424, 175328640, 189939360, 197244720, 213681780, 227927232, 253252480, 256418136, 262992960, 284909040, 315591552, 320522670, 336286080, 341890848, 379878720, 394489440, 427363560, 455854464, 512836272, 525985920, 569818080, 641045340, 683781696, 759757440, 788978880, 854727120, 1025672544, 1139636160, 1282090680, 1367563392, 1577957760, 1709454240, 2051345088, 2279272320, 2564181360, 3418908480, 4102690176, 5128362720, 6837816960, 10256725440, 20513450880]

約数ペア:

[(1, 20513450880), (2, 10256725440), (3, 6837816960), (4, 5128362720), (5, 4102690176), (6, 3418908480), (8, 2564181360), (9, 2279272320), (10, 2051345088), (12, 1709454240), (13, 1577957760), (15, 1367563392), (16, 1282090680), (18, 1139636160), (20, 1025672544), (24, 854727120), (26, 788978880), (27, 759757440), (30, 683781696), (32, 641045340), (36, 569818080), (39, 525985920), (40, 512836272), (45, 455854464), (48, 427363560), (52, 394489440), (54, 379878720), (60, 341890848), (61, 336286080), (64, 320522670), (65, 315591552), (72, 284909040), (78, 262992960), (80, 256418136), (81, 253252480), (90, 227927232), (96, 213681780), (104, 197244720), (108, 189939360), (117, 175328640), (120, 170945424), (122, 168143040), (128, 160261335), (130, 157795776), (135, 151951488), (144, 142454520), (156, 131496480), (160, 128209068), (162, 126626240), (180, 113963616), (183, 112095360), (192, 106840890), (195, 105197184), (208, 98622360), (216, 94969680), (234, 87664320), (240, 85472712), (244, 84071520), (260, 78897888), (270, 75975744), (288, 71227260), (305, 67257216), (312, 65748240), (320, 64104534), (324, 63313120), (351, 58442880), (360, 56981808), (366, 56047680), (384, 53420445), (390, 52598592), (405, 50650496), (416, 49311180), (432, 47484840), (468, 43832160), (480, 42736356), (488, 42035760), (499, 41109120), (520, 39448944), (540, 37987872), (549, 37365120), (576, 35613630), (585, 35065728), (610, 33628608), (624, 32874120), (640, 32052267), (648, 31656560), (702, 29221440), (720, 28490904), (732, 28023840), (780, 26299296), (793, 25868160), (810, 25325248), (832, 24655590), (864, 23742420), (915, 22419072), (936, 21916080), (960, 21368178), (976, 21017880), (998, 20554560), (1040, 19724472), (1053, 19480960), (1080, 18993936), (1098, 18682560), (1152, 17806815), (1170, 17532864), (1220, 16814304), (1248, 16437060), (1296, 15828280), (1404, 14610720), (1440, 14245452), (1464, 14011920), (1497, 13703040), (1560, 13149648), (1586, 12934080), (1620, 12662624), (1647, 12455040), (1664, 12327795), (1728, 11871210), (1755, 11688576), (1830, 11209536), (1872, 10958040), (1920, 10684089), (1952, 10508940), (1996, 10277280), (2080, 9862236), (2106, 9740480), (2160, 9496968), (2196, 9341280), (2340, 8766432), (2379, 8622720), (2440, 8407152), (2495, 8221824), (2496, 8218530), (2592, 7914140), (2745, 7473024), (2808, 7305360), (2880, 7122726), (2928, 7005960), (2994, 6851520), (3120, 6574824), (3172, 6467040), (3240, 6331312), (3294, 6227520), (3456, 5935605), (3510, 5844288), (3660, 5604768), (3744, 5479020), (3904, 5254470), (3965, 5173632), (3992, 5138640), (4160, 4931118), (4212, 4870240), (4320, 4748484), (4392, 4670640), (4491, 4567680), (4680, 4383216), (4758, 4311360), (4880, 4203576), (4941, 4151680), (4990, 4110912), (4992, 4109265), (5184, 3957070), (5265, 3896192), (5490, 3736512), (5616, 3652680), (5760, 3561363), (5856, 3502980), (5988, 3425760), (6240, 3287412), (6344, 3233520), (6480, 3165656), (6487, 3162240), (6588, 3113760), (7020, 2922144), (7137, 2874240), (7320, 2802384), (7485, 2740608), (7488, 2739510), (7808, 2627235), (7930, 2586816), (7984, 2569320), (8235, 2491008), (8320, 2465559), (8424, 2435120), (8640, 2374242), (8784, 2335320), (8982, 2283840), (9360, 2191608), (9516, 2155680), (9760, 2101788), (9882, 2075840), (9980, 2055456), (10368, 1978535), (10530, 1948096), (10980, 1868256), (11232, 1826340), (11712, 1751490), (11895, 1724544), (11976, 1712880), (12480, 1643706), (12688, 1616760), (12960, 1582828), (12974, 1581120), (13176, 1556880), (13473, 1522560), (14040, 1461072), (14274, 1437120), (14640, 1401192), (14970, 1370304), (14976, 1369755), (15860, 1293408), (15968, 1284660), (16470, 1245504), (16848, 1217560), (17280, 1187121), (17568, 1167660), (17964, 1141920), (18720, 1095804), (19032, 1077840), (19461, 1054080), (19520, 1050894), (19764, 1037920), (19960, 1027728), (21060, 974048), (21411, 958080), (21960, 934128), (22455, 913536), (22464, 913170), (23424, 875745), (23790, 862272), (23952, 856440), (24705, 830336), (24960, 821853), (25376, 808380), (25920, 791414), (25948, 790560), (26352, 778440), (26946, 761280), (28080, 730536), (28548, 718560), (29280, 700596), (29940, 685152), (30439, 673920), (31720, 646704), (31936, 642330), (32435, 632448), (32940, 622752), (33696, 608780), (35136, 583830), (35685, 574848), (35928, 570960), (37440, 547902), (38064, 538920), (38922, 527040), (39040, 525447), (39528, 518960), (39920, 513864), (40419, 507520), (42120, 487024), (42822, 479040), (43920, 467064), (44910, 456768), (44928, 456585), (47580, 431136), (47904, 428220), (49410, 415168), (50752, 404190), (51840, 395707), (51896, 395280), (52704, 389220), (53892, 380640), (56160, 365268), (57096, 359280), (58383, 351360), (58560, 350298), (59880, 342576), (60878, 336960), (63440, 323352), (63872, 321165), (64233, 319360), (64870, 316224), (65880, 311376), (67365, 304512), (67392, 304390), (70272, 291915), (71370, 287424), (71856, 285480), (74880, 273951), (76128, 269460), (77844, 263520), (79056, 259480), (79840, 256932), (80838, 253760), (84240, 243512), (85644, 239520), (87840, 233532), (89820, 228384), (91317, 224640), (95160, 215568), (95808, 214110), (97305, 210816), (98820, 207584), (101504, 202095), (103792, 197640), (105408, 194610), (107055, 191616), (107784, 190320), (112320, 182634), (114192, 179640), (116766, 175680), (117120, 175149), (119760, 171288), (121756, 168480), (126880, 161676), (128466, 159680), (129740, 158112), (131760, 155688), (134730, 152256), (134784, 152195), (142740, 143712)]