81735456

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 258007680

約数和(自身を除く): 176272224

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 29, 32, 33, 34, 44, 48, 51, 58, 66, 68, 87, 88, 96, 102, 116, 132, 136, 157, 174, 176, 187, 204, 232, 264, 272, 314, 319, 348, 352, 374, 408, 464, 471, 493, 528, 544, 561, 628, 638, 696, 748, 816, 928, 942, 957, 986, 1056, 1122, 1256, 1276, 1392, 1479, 1496, 1632, 1727, 1884, 1914, 1972, 2244, 2512, 2552, 2669, 2784, 2958, 2992, 3454, 3768, 3828, 3944, 4488, 4553, 5024, 5104, 5181, 5338, 5423, 5916, 5984, 6908, 7536, 7656, 7888, 8007, 8976, 9106, 10208, 10362, 10676, 10846, 11832, 13659, 13816, 15072, 15312, 15776, 16014, 16269, 17952, 18212, 20724, 21352, 21692, 23664, 27318, 27632, 29359, 30624, 32028, 32538, 36424, 41448, 42704, 43384, 47328, 50083, 54636, 55264, 58718, 64056, 65076, 72848, 77401, 82896, 85408, 86768, 88077, 100166, 109272, 117436, 128112, 130152, 145696, 150249, 154802, 165792, 173536, 176154, 200332, 218544, 232203, 234872, 256224, 260304, 300498, 309604, 352308, 400664, 437088, 464406, 469744, 520608, 600996, 619208, 704616, 801328, 851411, 928812, 939488, 1201992, 1238416, 1409232, 1602656, 1702822, 1857624, 2403984, 2476832, 2554233, 2818464, 3405644, 3715248, 4807968, 5108466, 6811288, 7430496, 10216932, 13622576, 20433864, 27245152, 40867728, 81735456]

約数ペア:

[(1, 81735456), (2, 40867728), (3, 27245152), (4, 20433864), (6, 13622576), (8, 10216932), (11, 7430496), (12, 6811288), (16, 5108466), (17, 4807968), (22, 3715248), (24, 3405644), (29, 2818464), (32, 2554233), (33, 2476832), (34, 2403984), (44, 1857624), (48, 1702822), (51, 1602656), (58, 1409232), (66, 1238416), (68, 1201992), (87, 939488), (88, 928812), (96, 851411), (102, 801328), (116, 704616), (132, 619208), (136, 600996), (157, 520608), (174, 469744), (176, 464406), (187, 437088), (204, 400664), (232, 352308), (264, 309604), (272, 300498), (314, 260304), (319, 256224), (348, 234872), (352, 232203), (374, 218544), (408, 200332), (464, 176154), (471, 173536), (493, 165792), (528, 154802), (544, 150249), (561, 145696), (628, 130152), (638, 128112), (696, 117436), (748, 109272), (816, 100166), (928, 88077), (942, 86768), (957, 85408), (986, 82896), (1056, 77401), (1122, 72848), (1256, 65076), (1276, 64056), (1392, 58718), (1479, 55264), (1496, 54636), (1632, 50083), (1727, 47328), (1884, 43384), (1914, 42704), (1972, 41448), (2244, 36424), (2512, 32538), (2552, 32028), (2669, 30624), (2784, 29359), (2958, 27632), (2992, 27318), (3454, 23664), (3768, 21692), (3828, 21352), (3944, 20724), (4488, 18212), (4553, 17952), (5024, 16269), (5104, 16014), (5181, 15776), (5338, 15312), (5423, 15072), (5916, 13816), (5984, 13659), (6908, 11832), (7536, 10846), (7656, 10676), (7888, 10362), (8007, 10208), (8976, 9106)]