81909576

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 270864000

約数和(自身を除く): 188954424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 71, 72, 84, 98, 108, 109, 126, 142, 147, 168, 189, 196, 213, 216, 218, 252, 284, 294, 327, 378, 392, 426, 436, 441, 497, 504, 568, 588, 639, 654, 756, 763, 852, 872, 882, 981, 994, 1176, 1278, 1308, 1323, 1491, 1512, 1526, 1704, 1764, 1917, 1962, 1988, 2289, 2556, 2616, 2646, 2943, 2982, 3052, 3479, 3528, 3834, 3924, 3976, 4473, 4578, 5112, 5292, 5341, 5886, 5964, 6104, 6867, 6958, 7668, 7739, 7848, 8946, 9156, 10437, 10584, 10682, 11772, 11928, 13419, 13734, 13916, 15336, 15478, 16023, 17892, 18312, 20601, 20874, 21364, 23217, 23544, 26838, 27468, 27832, 30956, 31311, 32046, 35784, 41202, 41748, 42728, 46434, 48069, 53676, 54173, 54936, 61912, 62622, 64092, 69651, 82404, 83496, 92868, 93933, 96138, 107352, 108346, 125244, 128184, 139302, 144207, 162519, 164808, 185736, 187866, 192276, 208953, 216692, 250488, 278604, 288414, 325038, 375732, 379211, 384552, 417906, 433384, 487557, 557208, 576828, 650076, 751464, 758422, 835812, 975114, 1137633, 1153656, 1300152, 1462671, 1516844, 1671624, 1950228, 2275266, 2925342, 3033688, 3412899, 3900456, 4550532, 5850684, 6825798, 9101064, 10238697, 11701368, 13651596, 20477394, 27303192, 40954788, 81909576]

約数ペア:

[(1, 81909576), (2, 40954788), (3, 27303192), (4, 20477394), (6, 13651596), (7, 11701368), (8, 10238697), (9, 9101064), (12, 6825798), (14, 5850684), (18, 4550532), (21, 3900456), (24, 3412899), (27, 3033688), (28, 2925342), (36, 2275266), (42, 1950228), (49, 1671624), (54, 1516844), (56, 1462671), (63, 1300152), (71, 1153656), (72, 1137633), (84, 975114), (98, 835812), (108, 758422), (109, 751464), (126, 650076), (142, 576828), (147, 557208), (168, 487557), (189, 433384), (196, 417906), (213, 384552), (216, 379211), (218, 375732), (252, 325038), (284, 288414), (294, 278604), (327, 250488), (378, 216692), (392, 208953), (426, 192276), (436, 187866), (441, 185736), (497, 164808), (504, 162519), (568, 144207), (588, 139302), (639, 128184), (654, 125244), (756, 108346), (763, 107352), (852, 96138), (872, 93933), (882, 92868), (981, 83496), (994, 82404), (1176, 69651), (1278, 64092), (1308, 62622), (1323, 61912), (1491, 54936), (1512, 54173), (1526, 53676), (1704, 48069), (1764, 46434), (1917, 42728), (1962, 41748), (1988, 41202), (2289, 35784), (2556, 32046), (2616, 31311), (2646, 30956), (2943, 27832), (2982, 27468), (3052, 26838), (3479, 23544), (3528, 23217), (3834, 21364), (3924, 20874), (3976, 20601), (4473, 18312), (4578, 17892), (5112, 16023), (5292, 15478), (5341, 15336), (5886, 13916), (5964, 13734), (6104, 13419), (6867, 11928), (6958, 11772), (7668, 10682), (7739, 10584), (7848, 10437), (8946, 9156)]