81161760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{479}}^1$

素因数の和:850

約数の個数: 96

約数和(自身を含む): 256919040

約数和(自身を除く): 175757280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 353, 479, 480, 706, 958, 1059, 1412, 1437, 1765, 1916, 2118, 2395, 2824, 2874, 3530, 3832, 4236, 4790, 5295, 5648, 5748, 7060, 7185, 7664, 8472, 9580, 10590, 11296, 11496, 14120, 14370, 15328, 16944, 19160, 21180, 22992, 28240, 28740, 33888, 38320, 42360, 45984, 56480, 57480, 76640, 84720, 114960, 169087, 169440, 229920, 338174, 507261, 676348, 845435, 1014522, 1352696, 1690870, 2029044, 2536305, 2705392, 3381740, 4058088, 5072610, 5410784, 6763480, 8116176, 10145220, 13526960, 16232352, 20290440, 27053920, 40580880, 81161760]

約数ペア:

[(1, 81161760), (2, 40580880), (3, 27053920), (4, 20290440), (5, 16232352), (6, 13526960), (8, 10145220), (10, 8116176), (12, 6763480), (15, 5410784), (16, 5072610), (20, 4058088), (24, 3381740), (30, 2705392), (32, 2536305), (40, 2029044), (48, 1690870), (60, 1352696), (80, 1014522), (96, 845435), (120, 676348), (160, 507261), (240, 338174), (353, 229920), (479, 169440), (480, 169087), (706, 114960), (958, 84720), (1059, 76640), (1412, 57480), (1437, 56480), (1765, 45984), (1916, 42360), (2118, 38320), (2395, 33888), (2824, 28740), (2874, 28240), (3530, 22992), (3832, 21180), (4236, 19160), (4790, 16944), (5295, 15328), (5648, 14370), (5748, 14120), (7060, 11496), (7185, 11296), (7664, 10590), (8472, 9580)]