81393984

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{2243}}^1$

素因数の和:2274

約数の個数: 140

約数和(自身を含む): 275868384

約数和(自身を除く): 194474400

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 192, 216, 224, 252, 288, 324, 336, 378, 432, 448, 504, 567, 576, 648, 672, 756, 864, 1008, 1134, 1296, 1344, 1512, 1728, 2016, 2243, 2268, 2592, 3024, 4032, 4486, 4536, 5184, 6048, 6729, 8972, 9072, 12096, 13458, 15701, 17944, 18144, 20187, 26916, 31402, 35888, 36288, 40374, 47103, 53832, 60561, 62804, 71776, 80748, 94206, 107664, 121122, 125608, 141309, 143552, 161496, 181683, 188412, 215328, 242244, 251216, 282618, 322992, 363366, 376824, 423927, 430656, 484488, 502432, 565236, 645984, 726732, 753648, 847854, 968976, 1004864, 1130472, 1271781, 1291968, 1453464, 1507296, 1695708, 1937952, 2260944, 2543562, 2906928, 3014592, 3391416, 3875904, 4521888, 5087124, 5813856, 6782832, 9043776, 10174248, 11627712, 13565664, 20348496, 27131328, 40696992, 81393984]

約数ペア:

[(1, 81393984), (2, 40696992), (3, 27131328), (4, 20348496), (6, 13565664), (7, 11627712), (8, 10174248), (9, 9043776), (12, 6782832), (14, 5813856), (16, 5087124), (18, 4521888), (21, 3875904), (24, 3391416), (27, 3014592), (28, 2906928), (32, 2543562), (36, 2260944), (42, 1937952), (48, 1695708), (54, 1507296), (56, 1453464), (63, 1291968), (64, 1271781), (72, 1130472), (81, 1004864), (84, 968976), (96, 847854), (108, 753648), (112, 726732), (126, 645984), (144, 565236), (162, 502432), (168, 484488), (189, 430656), (192, 423927), (216, 376824), (224, 363366), (252, 322992), (288, 282618), (324, 251216), (336, 242244), (378, 215328), (432, 188412), (448, 181683), (504, 161496), (567, 143552), (576, 141309), (648, 125608), (672, 121122), (756, 107664), (864, 94206), (1008, 80748), (1134, 71776), (1296, 62804), (1344, 60561), (1512, 53832), (1728, 47103), (2016, 40374), (2243, 36288), (2268, 35888), (2592, 31402), (3024, 26916), (4032, 20187), (4486, 18144), (4536, 17944), (5184, 15701), (6048, 13458), (6729, 12096), (8972, 9072)]