81386784

素因数分解:

$2^5\times 3^2\times {\mathrm{461}}^1\times {\mathrm{613}}^1$

素因数の和:1090

約数の個数: 72

約数和(自身を含む): 232324092

約数和(自身を除く): 150937308

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 461, 613, 922, 1226, 1383, 1839, 1844, 2452, 2766, 3678, 3688, 4149, 4904, 5517, 5532, 7356, 7376, 8298, 9808, 11034, 11064, 14712, 14752, 16596, 19616, 22068, 22128, 29424, 33192, 44136, 44256, 58848, 66384, 88272, 132768, 176544, 282593, 565186, 847779, 1130372, 1695558, 2260744, 2543337, 3391116, 4521488, 5086674, 6782232, 9042976, 10173348, 13564464, 20346696, 27128928, 40693392, 81386784]

約数ペア:

[(1, 81386784), (2, 40693392), (3, 27128928), (4, 20346696), (6, 13564464), (8, 10173348), (9, 9042976), (12, 6782232), (16, 5086674), (18, 4521488), (24, 3391116), (32, 2543337), (36, 2260744), (48, 1695558), (72, 1130372), (96, 847779), (144, 565186), (288, 282593), (461, 176544), (613, 132768), (922, 88272), (1226, 66384), (1383, 58848), (1839, 44256), (1844, 44136), (2452, 33192), (2766, 29424), (3678, 22128), (3688, 22068), (4149, 19616), (4904, 16596), (5517, 14752), (5532, 14712), (7356, 11064), (7376, 11034), (8298, 9808)]