81213552

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 240

約数和(自身を含む): 282267648

約数和(自身を除く): 201054096

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 31, 36, 42, 46, 48, 56, 62, 63, 69, 72, 84, 92, 93, 112, 113, 124, 126, 138, 144, 161, 168, 184, 186, 207, 217, 226, 248, 252, 276, 279, 322, 336, 339, 368, 372, 414, 434, 452, 483, 496, 504, 552, 558, 644, 651, 678, 713, 744, 791, 828, 868, 904, 966, 1008, 1017, 1104, 1116, 1288, 1302, 1356, 1426, 1449, 1488, 1582, 1656, 1736, 1808, 1932, 1953, 2034, 2139, 2232, 2373, 2576, 2599, 2604, 2712, 2852, 2898, 3164, 3312, 3472, 3503, 3864, 3906, 4068, 4278, 4464, 4746, 4991, 5198, 5208, 5424, 5704, 5796, 6328, 6417, 7006, 7119, 7728, 7797, 7812, 8136, 8556, 9492, 9982, 10396, 10416, 10509, 11408, 11592, 12656, 12834, 14012, 14238, 14973, 15594, 15624, 16272, 17112, 18193, 18984, 19964, 20792, 21018, 23184, 23391, 24521, 25668, 28024, 28476, 29946, 31188, 31248, 31527, 34224, 36386, 37968, 39928, 41584, 42036, 44919, 46782, 49042, 51336, 54579, 56048, 56952, 59892, 62376, 63054, 72772, 73563, 79856, 80569, 84072, 89838, 93564, 98084, 102672, 109158, 113904, 119784, 124752, 126108, 145544, 147126, 161138, 163737, 168144, 179676, 187128, 196168, 218316, 220689, 239568, 241707, 252216, 291088, 294252, 322276, 327474, 359352, 374256, 392336, 436632, 441378, 483414, 504432, 563983, 588504, 644552, 654948, 718704, 725121, 873264, 882756, 966828, 1127966, 1177008, 1289104, 1309896, 1450242, 1691949, 1765512, 1933656, 2255932, 2619792, 2900484, 3383898, 3531024, 3867312, 4511864, 5075847, 5800968, 6767796, 9023728, 10151694, 11601936, 13535592, 20303388, 27071184, 40606776, 81213552]

約数ペア:

[(1, 81213552), (2, 40606776), (3, 27071184), (4, 20303388), (6, 13535592), (7, 11601936), (8, 10151694), (9, 9023728), (12, 6767796), (14, 5800968), (16, 5075847), (18, 4511864), (21, 3867312), (23, 3531024), (24, 3383898), (28, 2900484), (31, 2619792), (36, 2255932), (42, 1933656), (46, 1765512), (48, 1691949), (56, 1450242), (62, 1309896), (63, 1289104), (69, 1177008), (72, 1127966), (84, 966828), (92, 882756), (93, 873264), (112, 725121), (113, 718704), (124, 654948), (126, 644552), (138, 588504), (144, 563983), (161, 504432), (168, 483414), (184, 441378), (186, 436632), (207, 392336), (217, 374256), (226, 359352), (248, 327474), (252, 322276), (276, 294252), (279, 291088), (322, 252216), (336, 241707), (339, 239568), (368, 220689), (372, 218316), (414, 196168), (434, 187128), (452, 179676), (483, 168144), (496, 163737), (504, 161138), (552, 147126), (558, 145544), (644, 126108), (651, 124752), (678, 119784), (713, 113904), (744, 109158), (791, 102672), (828, 98084), (868, 93564), (904, 89838), (966, 84072), (1008, 80569), (1017, 79856), (1104, 73563), (1116, 72772), (1288, 63054), (1302, 62376), (1356, 59892), (1426, 56952), (1449, 56048), (1488, 54579), (1582, 51336), (1656, 49042), (1736, 46782), (1808, 44919), (1932, 42036), (1953, 41584), (2034, 39928), (2139, 37968), (2232, 36386), (2373, 34224), (2576, 31527), (2599, 31248), (2604, 31188), (2712, 29946), (2852, 28476), (2898, 28024), (3164, 25668), (3312, 24521), (3472, 23391), (3503, 23184), (3864, 21018), (3906, 20792), (4068, 19964), (4278, 18984), (4464, 18193), (4746, 17112), (4991, 16272), (5198, 15624), (5208, 15594), (5424, 14973), (5704, 14238), (5796, 14012), (6328, 12834), (6417, 12656), (7006, 11592), (7119, 11408), (7728, 10509), (7797, 10416), (7812, 10396), (8136, 9982), (8556, 9492)]