205465680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 320

約数和(自身を含む): 822804480

約数和(自身を除く): 617338800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 107, 108, 112, 120, 126, 127, 135, 140, 144, 168, 180, 189, 210, 214, 216, 240, 252, 254, 270, 280, 315, 321, 336, 360, 378, 381, 420, 428, 432, 504, 508, 535, 540, 560, 630, 635, 642, 720, 749, 756, 762, 840, 856, 889, 945, 963, 1008, 1016, 1070, 1080, 1143, 1260, 1270, 1284, 1498, 1512, 1524, 1605, 1680, 1712, 1778, 1890, 1905, 1926, 2032, 2140, 2160, 2247, 2286, 2520, 2540, 2568, 2667, 2889, 2996, 3024, 3048, 3210, 3429, 3556, 3745, 3780, 3810, 3852, 4280, 4445, 4494, 4572, 4815, 5040, 5080, 5136, 5334, 5715, 5778, 5992, 6096, 6420, 6741, 6858, 7112, 7490, 7560, 7620, 7704, 8001, 8560, 8890, 8988, 9144, 9630, 10160, 10668, 11235, 11430, 11556, 11984, 12840, 13335, 13482, 13589, 13716, 14224, 14445, 14980, 15120, 15240, 15408, 16002, 17145, 17780, 17976, 18288, 19260, 20223, 21336, 22470, 22860, 23112, 24003, 25680, 26670, 26964, 27178, 27432, 28890, 29960, 30480, 32004, 33705, 34290, 35560, 35952, 38520, 40005, 40446, 40767, 42672, 44940, 45720, 46224, 48006, 53340, 53928, 54356, 54864, 57780, 59920, 64008, 67410, 67945, 68580, 71120, 77040, 80010, 80892, 81534, 89880, 91440, 95123, 96012, 101115, 106680, 107856, 108712, 115560, 120015, 122301, 128016, 134820, 135890, 137160, 160020, 161784, 163068, 179760, 190246, 192024, 202230, 203835, 213360, 217424, 231120, 240030, 244602, 269640, 271780, 274320, 285369, 320040, 323568, 326136, 366903, 380492, 384048, 404460, 407670, 475615, 480060, 489204, 539280, 543560, 570738, 611505, 640080, 652272, 733806, 760984, 808920, 815340, 856107, 951230, 960120, 978408, 1087120, 1141476, 1223010, 1426845, 1467612, 1521968, 1617840, 1630680, 1712214, 1834515, 1902460, 1920240, 1956816, 2282952, 2446020, 2568321, 2853690, 2935224, 3261360, 3424428, 3669030, 3804920, 4280535, 4565904, 4892040, 5136642, 5707380, 5870448, 6848856, 7338060, 7609840, 8561070, 9784080, 10273284, 11414760, 12841605, 13697712, 14676120, 17122140, 20546568, 22829520, 25683210, 29352240, 34244280, 41093136, 51366420, 68488560, 102732840, 205465680]

約数ペア:

[(1, 205465680), (2, 102732840), (3, 68488560), (4, 51366420), (5, 41093136), (6, 34244280), (7, 29352240), (8, 25683210), (9, 22829520), (10, 20546568), (12, 17122140), (14, 14676120), (15, 13697712), (16, 12841605), (18, 11414760), (20, 10273284), (21, 9784080), (24, 8561070), (27, 7609840), (28, 7338060), (30, 6848856), (35, 5870448), (36, 5707380), (40, 5136642), (42, 4892040), (45, 4565904), (48, 4280535), (54, 3804920), (56, 3669030), (60, 3424428), (63, 3261360), (70, 2935224), (72, 2853690), (80, 2568321), (84, 2446020), (90, 2282952), (105, 1956816), (107, 1920240), (108, 1902460), (112, 1834515), (120, 1712214), (126, 1630680), (127, 1617840), (135, 1521968), (140, 1467612), (144, 1426845), (168, 1223010), (180, 1141476), (189, 1087120), (210, 978408), (214, 960120), (216, 951230), (240, 856107), (252, 815340), (254, 808920), (270, 760984), (280, 733806), (315, 652272), (321, 640080), (336, 611505), (360, 570738), (378, 543560), (381, 539280), (420, 489204), (428, 480060), (432, 475615), (504, 407670), (508, 404460), (535, 384048), (540, 380492), (560, 366903), (630, 326136), (635, 323568), (642, 320040), (720, 285369), (749, 274320), (756, 271780), (762, 269640), (840, 244602), (856, 240030), (889, 231120), (945, 217424), (963, 213360), (1008, 203835), (1016, 202230), (1070, 192024), (1080, 190246), (1143, 179760), (1260, 163068), (1270, 161784), (1284, 160020), (1498, 137160), (1512, 135890), (1524, 134820), (1605, 128016), (1680, 122301), (1712, 120015), (1778, 115560), (1890, 108712), (1905, 107856), (1926, 106680), (2032, 101115), (2140, 96012), (2160, 95123), (2247, 91440), (2286, 89880), (2520, 81534), (2540, 80892), (2568, 80010), (2667, 77040), (2889, 71120), (2996, 68580), (3024, 67945), (3048, 67410), (3210, 64008), (3429, 59920), (3556, 57780), (3745, 54864), (3780, 54356), (3810, 53928), (3852, 53340), (4280, 48006), (4445, 46224), (4494, 45720), (4572, 44940), (4815, 42672), (5040, 40767), (5080, 40446), (5136, 40005), (5334, 38520), (5715, 35952), (5778, 35560), (5992, 34290), (6096, 33705), (6420, 32004), (6741, 30480), (6858, 29960), (7112, 28890), (7490, 27432), (7560, 27178), (7620, 26964), (7704, 26670), (8001, 25680), (8560, 24003), (8890, 23112), (8988, 22860), (9144, 22470), (9630, 21336), (10160, 20223), (10668, 19260), (11235, 18288), (11430, 17976), (11556, 17780), (11984, 17145), (12840, 16002), (13335, 15408), (13482, 15240), (13589, 15120), (13716, 14980), (14224, 14445)]