128181528

素因数分解:

$2^3\times 3^6\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:764

約数の個数: 112

約数和(自身を含む): 372494400

約数和(自身を除く): 244312872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 81, 93, 108, 124, 162, 186, 216, 243, 248, 279, 324, 372, 486, 558, 648, 709, 729, 744, 837, 972, 1116, 1418, 1458, 1674, 1944, 2127, 2232, 2511, 2836, 2916, 3348, 4254, 5022, 5672, 5832, 6381, 6696, 7533, 8508, 10044, 12762, 15066, 17016, 19143, 20088, 21979, 22599, 25524, 30132, 38286, 43958, 45198, 51048, 57429, 60264, 65937, 76572, 87916, 90396, 114858, 131874, 153144, 172287, 175832, 180792, 197811, 229716, 263748, 344574, 395622, 459432, 516861, 527496, 593433, 689148, 791244, 1033722, 1186866, 1378296, 1582488, 1780299, 2067444, 2373732, 3560598, 4134888, 4747464, 5340897, 7121196, 10681794, 14242392, 16022691, 21363588, 32045382, 42727176, 64090764, 128181528]

約数ペア:

[(1, 128181528), (2, 64090764), (3, 42727176), (4, 32045382), (6, 21363588), (8, 16022691), (9, 14242392), (12, 10681794), (18, 7121196), (24, 5340897), (27, 4747464), (31, 4134888), (36, 3560598), (54, 2373732), (62, 2067444), (72, 1780299), (81, 1582488), (93, 1378296), (108, 1186866), (124, 1033722), (162, 791244), (186, 689148), (216, 593433), (243, 527496), (248, 516861), (279, 459432), (324, 395622), (372, 344574), (486, 263748), (558, 229716), (648, 197811), (709, 180792), (729, 175832), (744, 172287), (837, 153144), (972, 131874), (1116, 114858), (1418, 90396), (1458, 87916), (1674, 76572), (1944, 65937), (2127, 60264), (2232, 57429), (2511, 51048), (2836, 45198), (2916, 43958), (3348, 38286), (4254, 30132), (5022, 25524), (5672, 22599), (5832, 21979), (6381, 20088), (6696, 19143), (7533, 17016), (8508, 15066), (10044, 12762)]