30894960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1181}}^1$

素因数の和:1306

約数の個数: 80

約数和(自身を含む): 96734880

約数和(自身を除く): 65839920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1181, 1308, 1635, 1744, 2180, 2362, 2616, 3270, 3543, 4360, 4724, 5232, 5905, 6540, 7086, 8720, 9448, 11810, 13080, 14172, 17715, 18896, 23620, 26160, 28344, 35430, 47240, 56688, 70860, 94480, 128729, 141720, 257458, 283440, 386187, 514916, 643645, 772374, 1029832, 1287290, 1544748, 1930935, 2059664, 2574580, 3089496, 3861870, 5149160, 6178992, 7723740, 10298320, 15447480, 30894960]

約数ペア:

[(1, 30894960), (2, 15447480), (3, 10298320), (4, 7723740), (5, 6178992), (6, 5149160), (8, 3861870), (10, 3089496), (12, 2574580), (15, 2059664), (16, 1930935), (20, 1544748), (24, 1287290), (30, 1029832), (40, 772374), (48, 643645), (60, 514916), (80, 386187), (109, 283440), (120, 257458), (218, 141720), (240, 128729), (327, 94480), (436, 70860), (545, 56688), (654, 47240), (872, 35430), (1090, 28344), (1181, 26160), (1308, 23620), (1635, 18896), (1744, 17715), (2180, 14172), (2362, 13080), (2616, 11810), (3270, 9448), (3543, 8720), (4360, 7086), (4724, 6540), (5232, 5905)]