80981712

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:550

約数の個数: 180

約数和(自身を含む): 275652000

約数和(自身を除く): 194670288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 46, 48, 49, 56, 63, 69, 72, 84, 92, 98, 112, 126, 138, 144, 147, 161, 168, 184, 196, 207, 252, 276, 294, 322, 336, 368, 392, 414, 441, 483, 499, 504, 552, 588, 644, 784, 828, 882, 966, 998, 1008, 1104, 1127, 1176, 1288, 1449, 1497, 1656, 1764, 1932, 1996, 2254, 2352, 2576, 2898, 2994, 3312, 3381, 3493, 3528, 3864, 3992, 4491, 4508, 5796, 5988, 6762, 6986, 7056, 7728, 7984, 8982, 9016, 10143, 10479, 11477, 11592, 11976, 13524, 13972, 17964, 18032, 20286, 20958, 22954, 23184, 23952, 24451, 27048, 27944, 31437, 34431, 35928, 40572, 41916, 45908, 48902, 54096, 55888, 62874, 68862, 71856, 73353, 80339, 81144, 83832, 91816, 97804, 103293, 125748, 137724, 146706, 160678, 162288, 167664, 183632, 195608, 206586, 220059, 241017, 251496, 275448, 293412, 321356, 391216, 413172, 440118, 482034, 502992, 550896, 562373, 586824, 642712, 723051, 826344, 880236, 964068, 1124746, 1173648, 1285424, 1446102, 1652688, 1687119, 1760472, 1928136, 2249492, 2892204, 3374238, 3520944, 3856272, 4498984, 5061357, 5784408, 6748476, 8997968, 10122714, 11568816, 13496952, 20245428, 26993904, 40490856, 80981712]

約数ペア:

[(1, 80981712), (2, 40490856), (3, 26993904), (4, 20245428), (6, 13496952), (7, 11568816), (8, 10122714), (9, 8997968), (12, 6748476), (14, 5784408), (16, 5061357), (18, 4498984), (21, 3856272), (23, 3520944), (24, 3374238), (28, 2892204), (36, 2249492), (42, 1928136), (46, 1760472), (48, 1687119), (49, 1652688), (56, 1446102), (63, 1285424), (69, 1173648), (72, 1124746), (84, 964068), (92, 880236), (98, 826344), (112, 723051), (126, 642712), (138, 586824), (144, 562373), (147, 550896), (161, 502992), (168, 482034), (184, 440118), (196, 413172), (207, 391216), (252, 321356), (276, 293412), (294, 275448), (322, 251496), (336, 241017), (368, 220059), (392, 206586), (414, 195608), (441, 183632), (483, 167664), (499, 162288), (504, 160678), (552, 146706), (588, 137724), (644, 125748), (784, 103293), (828, 97804), (882, 91816), (966, 83832), (998, 81144), (1008, 80339), (1104, 73353), (1127, 71856), (1176, 68862), (1288, 62874), (1449, 55888), (1497, 54096), (1656, 48902), (1764, 45908), (1932, 41916), (1996, 40572), (2254, 35928), (2352, 34431), (2576, 31437), (2898, 27944), (2994, 27048), (3312, 24451), (3381, 23952), (3493, 23184), (3528, 22954), (3864, 20958), (3992, 20286), (4491, 18032), (4508, 17964), (5796, 13972), (5988, 13524), (6762, 11976), (6986, 11592), (7056, 11477), (7728, 10479), (7984, 10143), (8982, 9016)]