81581136

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1033

約数の個数: 160

約数和(自身を含む): 273315840

約数和(自身を除く): 191734704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 38, 39, 42, 48, 52, 56, 57, 76, 78, 84, 91, 104, 112, 114, 133, 152, 156, 168, 182, 208, 228, 247, 266, 273, 304, 312, 336, 364, 399, 456, 494, 532, 546, 624, 728, 741, 798, 912, 983, 988, 1064, 1092, 1456, 1482, 1596, 1729, 1966, 1976, 2128, 2184, 2949, 2964, 3192, 3458, 3932, 3952, 4368, 5187, 5898, 5928, 6384, 6881, 6916, 7864, 10374, 11796, 11856, 12779, 13762, 13832, 15728, 18677, 20643, 20748, 23592, 25558, 27524, 27664, 37354, 38337, 41286, 41496, 47184, 51116, 55048, 56031, 74708, 76674, 82572, 82992, 89453, 102232, 110096, 112062, 130739, 149416, 153348, 165144, 178906, 204464, 224124, 242801, 261478, 268359, 298832, 306696, 330288, 357812, 392217, 448248, 485602, 522956, 536718, 613392, 715624, 728403, 784434, 896496, 971204, 1045912, 1073436, 1431248, 1456806, 1568868, 1699607, 1942408, 2091824, 2146872, 2913612, 3137736, 3399214, 3884816, 4293744, 5098821, 5827224, 6275472, 6798428, 10197642, 11654448, 13596856, 20395284, 27193712, 40790568, 81581136]

約数ペア:

[(1, 81581136), (2, 40790568), (3, 27193712), (4, 20395284), (6, 13596856), (7, 11654448), (8, 10197642), (12, 6798428), (13, 6275472), (14, 5827224), (16, 5098821), (19, 4293744), (21, 3884816), (24, 3399214), (26, 3137736), (28, 2913612), (38, 2146872), (39, 2091824), (42, 1942408), (48, 1699607), (52, 1568868), (56, 1456806), (57, 1431248), (76, 1073436), (78, 1045912), (84, 971204), (91, 896496), (104, 784434), (112, 728403), (114, 715624), (133, 613392), (152, 536718), (156, 522956), (168, 485602), (182, 448248), (208, 392217), (228, 357812), (247, 330288), (266, 306696), (273, 298832), (304, 268359), (312, 261478), (336, 242801), (364, 224124), (399, 204464), (456, 178906), (494, 165144), (532, 153348), (546, 149416), (624, 130739), (728, 112062), (741, 110096), (798, 102232), (912, 89453), (983, 82992), (988, 82572), (1064, 76674), (1092, 74708), (1456, 56031), (1482, 55048), (1596, 51116), (1729, 47184), (1966, 41496), (1976, 41286), (2128, 38337), (2184, 37354), (2949, 27664), (2964, 27524), (3192, 25558), (3458, 23592), (3932, 20748), (3952, 20643), (4368, 18677), (5187, 15728), (5898, 13832), (5928, 13762), (6384, 12779), (6881, 11856), (6916, 11796), (7864, 10374)]