20123952960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{631}}^1$

素因数の和:1029

約数の個数: 224

約数和(自身を含む): 64724889600

約数和(自身を除く): 44600936640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 139, 160, 192, 239, 240, 278, 320, 417, 478, 480, 556, 631, 695, 717, 834, 956, 960, 1112, 1195, 1262, 1390, 1434, 1668, 1893, 1912, 2085, 2224, 2390, 2524, 2780, 2868, 3155, 3336, 3585, 3786, 3824, 4170, 4448, 4780, 5048, 5560, 5736, 6310, 6672, 7170, 7572, 7648, 8340, 8896, 9465, 9560, 10096, 11120, 11472, 12620, 13344, 14340, 15144, 15296, 16680, 18930, 19120, 20192, 22240, 22944, 25240, 26688, 28680, 30288, 33221, 33360, 37860, 38240, 40384, 44480, 45888, 50480, 57360, 60576, 66442, 66720, 75720, 76480, 87709, 99663, 100960, 114720, 121152, 132884, 133440, 150809, 151440, 166105, 175418, 199326, 201920, 229440, 263127, 265768, 301618, 302880, 332210, 350836, 398652, 438545, 452427, 498315, 526254, 531536, 603236, 605760, 664420, 701672, 754045, 797304, 877090, 904854, 996630, 1052508, 1063072, 1206472, 1315635, 1328840, 1403344, 1508090, 1594608, 1754180, 1809708, 1993260, 2105016, 2126144, 2262135, 2412944, 2631270, 2657680, 2806688, 3016180, 3189216, 3508360, 3619416, 3986520, 4210032, 4524270, 4825888, 5262540, 5315360, 5613376, 6032360, 6378432, 7016720, 7238832, 7973040, 8420064, 9048540, 9651776, 10525080, 10630720, 12064720, 14033440, 14477664, 15946080, 16840128, 18097080, 20962451, 21050160, 24129440, 28066880, 28955328, 31892160, 36194160, 41924902, 42100320, 48258880, 62887353, 72388320, 83849804, 84200640, 104812255, 125774706, 144776640, 167699608, 209624510, 251549412, 314436765, 335399216, 419249020, 503098824, 628873530, 670798432, 838498040, 1006197648, 1257747060, 1341596864, 1676996080, 2012395296, 2515494120, 3353992160, 4024790592, 5030988240, 6707984320, 10061976480, 20123952960]

約数ペア:

[(1, 20123952960), (2, 10061976480), (3, 6707984320), (4, 5030988240), (5, 4024790592), (6, 3353992160), (8, 2515494120), (10, 2012395296), (12, 1676996080), (15, 1341596864), (16, 1257747060), (20, 1006197648), (24, 838498040), (30, 670798432), (32, 628873530), (40, 503098824), (48, 419249020), (60, 335399216), (64, 314436765), (80, 251549412), (96, 209624510), (120, 167699608), (139, 144776640), (160, 125774706), (192, 104812255), (239, 84200640), (240, 83849804), (278, 72388320), (320, 62887353), (417, 48258880), (478, 42100320), (480, 41924902), (556, 36194160), (631, 31892160), (695, 28955328), (717, 28066880), (834, 24129440), (956, 21050160), (960, 20962451), (1112, 18097080), (1195, 16840128), (1262, 15946080), (1390, 14477664), (1434, 14033440), (1668, 12064720), (1893, 10630720), (1912, 10525080), (2085, 9651776), (2224, 9048540), (2390, 8420064), (2524, 7973040), (2780, 7238832), (2868, 7016720), (3155, 6378432), (3336, 6032360), (3585, 5613376), (3786, 5315360), (3824, 5262540), (4170, 4825888), (4448, 4524270), (4780, 4210032), (5048, 3986520), (5560, 3619416), (5736, 3508360), (6310, 3189216), (6672, 3016180), (7170, 2806688), (7572, 2657680), (7648, 2631270), (8340, 2412944), (8896, 2262135), (9465, 2126144), (9560, 2105016), (10096, 1993260), (11120, 1809708), (11472, 1754180), (12620, 1594608), (13344, 1508090), (14340, 1403344), (15144, 1328840), (15296, 1315635), (16680, 1206472), (18930, 1063072), (19120, 1052508), (20192, 996630), (22240, 904854), (22944, 877090), (25240, 797304), (26688, 754045), (28680, 701672), (30288, 664420), (33221, 605760), (33360, 603236), (37860, 531536), (38240, 526254), (40384, 498315), (44480, 452427), (45888, 438545), (50480, 398652), (57360, 350836), (60576, 332210), (66442, 302880), (66720, 301618), (75720, 265768), (76480, 263127), (87709, 229440), (99663, 201920), (100960, 199326), (114720, 175418), (121152, 166105), (132884, 151440), (133440, 150809)]