81520992

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{4493}}^1$

素因数の和:4522

約数の個数: 120

約数和(自身を含む): 274062096

約数和(自身を除く): 192541104

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, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 252, 288, 324, 336, 378, 432, 504, 567, 648, 672, 756, 864, 1008, 1134, 1296, 1512, 2016, 2268, 2592, 3024, 4493, 4536, 6048, 8986, 9072, 13479, 17972, 18144, 26958, 31451, 35944, 40437, 53916, 62902, 71888, 80874, 94353, 107832, 121311, 125804, 143776, 161748, 188706, 215664, 242622, 251608, 283059, 323496, 363933, 377412, 431328, 485244, 503216, 566118, 646992, 727866, 754824, 849177, 970488, 1006432, 1132236, 1293984, 1455732, 1509648, 1698354, 1940976, 2264472, 2547531, 2911464, 3019296, 3396708, 3881952, 4528944, 5095062, 5822928, 6793416, 9057888, 10190124, 11645856, 13586832, 20380248, 27173664, 40760496, 81520992]

約数ペア:

[(1, 81520992), (2, 40760496), (3, 27173664), (4, 20380248), (6, 13586832), (7, 11645856), (8, 10190124), (9, 9057888), (12, 6793416), (14, 5822928), (16, 5095062), (18, 4528944), (21, 3881952), (24, 3396708), (27, 3019296), (28, 2911464), (32, 2547531), (36, 2264472), (42, 1940976), (48, 1698354), (54, 1509648), (56, 1455732), (63, 1293984), (72, 1132236), (81, 1006432), (84, 970488), (96, 849177), (108, 754824), (112, 727866), (126, 646992), (144, 566118), (162, 503216), (168, 485244), (189, 431328), (216, 377412), (224, 363933), (252, 323496), (288, 283059), (324, 251608), (336, 242622), (378, 215664), (432, 188706), (504, 161748), (567, 143776), (648, 125804), (672, 121311), (756, 107832), (864, 94353), (1008, 80874), (1134, 71888), (1296, 62902), (1512, 53916), (2016, 40437), (2268, 35944), (2592, 31451), (3024, 26958), (4493, 18144), (4536, 17972), (6048, 13479), (8986, 9072)]