30905568

素因数分解:

$2^5\times 3^2\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:704

約数の個数: 72

約数和(自身を含む): 88452000

約数和(自身を除く): 57546432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 239, 288, 449, 478, 717, 898, 956, 1347, 1434, 1796, 1912, 2151, 2694, 2868, 3592, 3824, 4041, 4302, 5388, 5736, 7184, 7648, 8082, 8604, 10776, 11472, 14368, 16164, 17208, 21552, 22944, 32328, 34416, 43104, 64656, 68832, 107311, 129312, 214622, 321933, 429244, 643866, 858488, 965799, 1287732, 1716976, 1931598, 2575464, 3433952, 3863196, 5150928, 7726392, 10301856, 15452784, 30905568]

約数ペア:

[(1, 30905568), (2, 15452784), (3, 10301856), (4, 7726392), (6, 5150928), (8, 3863196), (9, 3433952), (12, 2575464), (16, 1931598), (18, 1716976), (24, 1287732), (32, 965799), (36, 858488), (48, 643866), (72, 429244), (96, 321933), (144, 214622), (239, 129312), (288, 107311), (449, 68832), (478, 64656), (717, 43104), (898, 34416), (956, 32328), (1347, 22944), (1434, 21552), (1796, 17208), (1912, 16164), (2151, 14368), (2694, 11472), (2868, 10776), (3592, 8604), (3824, 8082), (4041, 7648), (4302, 7184), (5388, 5736)]