20761349760

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12919}}^1$

素因数の和:12981

約数の個数: 320

約数和(自身を含む): 76540147200

約数和(自身を除く): 55778797440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 324, 360, 372, 384, 405, 432, 465, 480, 496, 540, 558, 576, 620, 640, 648, 720, 744, 810, 837, 864, 930, 960, 992, 1080, 1116, 1152, 1240, 1296, 1395, 1440, 1488, 1620, 1674, 1728, 1860, 1920, 1984, 2160, 2232, 2480, 2511, 2592, 2790, 2880, 2976, 3240, 3348, 3456, 3720, 3968, 4185, 4320, 4464, 4960, 5022, 5184, 5580, 5760, 5952, 6480, 6696, 7440, 8370, 8640, 8928, 9920, 10044, 10368, 11160, 11904, 12555, 12919, 12960, 13392, 14880, 16740, 17280, 17856, 19840, 20088, 22320, 25110, 25838, 25920, 26784, 29760, 33480, 35712, 38757, 40176, 44640, 50220, 51676, 51840, 53568, 59520, 64595, 66960, 77514, 80352, 89280, 100440, 103352, 107136, 116271, 129190, 133920, 155028, 160704, 178560, 193785, 200880, 206704, 232542, 258380, 267840, 310056, 321408, 348813, 387570, 400489, 401760, 413408, 465084, 516760, 535680, 581355, 620112, 697626, 775140, 800978, 803520, 826816, 930168, 1033520, 1046439, 1162710, 1201467, 1240224, 1395252, 1550280, 1601956, 1607040, 1653632, 1744065, 1860336, 2002445, 2067040, 2092878, 2325420, 2402934, 2480448, 2790504, 3100560, 3203912, 3488130, 3604401, 3720672, 4004890, 4134080, 4185756, 4650840, 4805868, 4960896, 5232195, 5581008, 6007335, 6201120, 6407824, 6976260, 7208802, 7441344, 8009780, 8268160, 8371512, 9301680, 9611736, 10464390, 10813203, 11162016, 12014670, 12402240, 12815648, 13952520, 14417604, 14882688, 16019560, 16743024, 18022005, 18603360, 19223472, 20928780, 21626406, 22324032, 24029340, 24804480, 25631296, 27905040, 28835208, 32039120, 32439609, 33486048, 36044010, 37206720, 38446944, 41857560, 43252812, 44648064, 48058680, 51262592, 54066015, 55810080, 57670416, 64078240, 64879218, 66972096, 72088020, 74413440, 76893888, 83715120, 86505624, 96117360, 108132030, 111620160, 115340832, 128156480, 129758436, 133944192, 144176040, 153787776, 162198045, 167430240, 173011248, 192234720, 216264060, 223240320, 230681664, 256312960, 259516872, 288352080, 324396090, 334860480, 346022496, 384469440, 432528120, 461363328, 519033744, 576704160, 648792180, 669720960, 692044992, 768938880, 865056240, 1038067488, 1153408320, 1297584360, 1384089984, 1730112480, 2076134976, 2306816640, 2595168720, 3460224960, 4152269952, 5190337440, 6920449920, 10380674880, 20761349760]

約数ペア:

[(1, 20761349760), (2, 10380674880), (3, 6920449920), (4, 5190337440), (5, 4152269952), (6, 3460224960), (8, 2595168720), (9, 2306816640), (10, 2076134976), (12, 1730112480), (15, 1384089984), (16, 1297584360), (18, 1153408320), (20, 1038067488), (24, 865056240), (27, 768938880), (30, 692044992), (31, 669720960), (32, 648792180), (36, 576704160), (40, 519033744), (45, 461363328), (48, 432528120), (54, 384469440), (60, 346022496), (62, 334860480), (64, 324396090), (72, 288352080), (80, 259516872), (81, 256312960), (90, 230681664), (93, 223240320), (96, 216264060), (108, 192234720), (120, 173011248), (124, 167430240), (128, 162198045), (135, 153787776), (144, 144176040), (155, 133944192), (160, 129758436), (162, 128156480), (180, 115340832), (186, 111620160), (192, 108132030), (216, 96117360), (240, 86505624), (248, 83715120), (270, 76893888), (279, 74413440), (288, 72088020), (310, 66972096), (320, 64879218), (324, 64078240), (360, 57670416), (372, 55810080), (384, 54066015), (405, 51262592), (432, 48058680), (465, 44648064), (480, 43252812), (496, 41857560), (540, 38446944), (558, 37206720), (576, 36044010), (620, 33486048), (640, 32439609), (648, 32039120), (720, 28835208), (744, 27905040), (810, 25631296), (837, 24804480), (864, 24029340), (930, 22324032), (960, 21626406), (992, 20928780), (1080, 19223472), (1116, 18603360), (1152, 18022005), (1240, 16743024), (1296, 16019560), (1395, 14882688), (1440, 14417604), (1488, 13952520), (1620, 12815648), (1674, 12402240), (1728, 12014670), (1860, 11162016), (1920, 10813203), (1984, 10464390), (2160, 9611736), (2232, 9301680), (2480, 8371512), (2511, 8268160), (2592, 8009780), (2790, 7441344), (2880, 7208802), (2976, 6976260), (3240, 6407824), (3348, 6201120), (3456, 6007335), (3720, 5581008), (3968, 5232195), (4185, 4960896), (4320, 4805868), (4464, 4650840), (4960, 4185756), (5022, 4134080), (5184, 4004890), (5580, 3720672), (5760, 3604401), (5952, 3488130), (6480, 3203912), (6696, 3100560), (7440, 2790504), (8370, 2480448), (8640, 2402934), (8928, 2325420), (9920, 2092878), (10044, 2067040), (10368, 2002445), (11160, 1860336), (11904, 1744065), (12555, 1653632), (12919, 1607040), (12960, 1601956), (13392, 1550280), (14880, 1395252), (16740, 1240224), (17280, 1201467), (17856, 1162710), (19840, 1046439), (20088, 1033520), (22320, 930168), (25110, 826816), (25838, 803520), (25920, 800978), (26784, 775140), (29760, 697626), (33480, 620112), (35712, 581355), (38757, 535680), (40176, 516760), (44640, 465084), (50220, 413408), (51676, 401760), (51840, 400489), (53568, 387570), (59520, 348813), (64595, 321408), (66960, 310056), (77514, 267840), (80352, 258380), (89280, 232542), (100440, 206704), (103352, 200880), (107136, 193785), (116271, 178560), (129190, 160704), (133920, 155028)]