81723264

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{30403}}^1$

素因数の和:30427

約数の個数: 64

約数和(自身を含む): 248096640

約数和(自身を除く): 166373376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 30403, 60806, 91209, 121612, 182418, 212821, 243224, 364836, 425642, 486448, 638463, 729672, 851284, 972896, 1276926, 1459344, 1702568, 1945792, 2553852, 2918688, 3405136, 3891584, 5107704, 5837376, 6810272, 10215408, 11674752, 13620544, 20430816, 27241088, 40861632, 81723264]

約数ペア:

[(1, 81723264), (2, 40861632), (3, 27241088), (4, 20430816), (6, 13620544), (7, 11674752), (8, 10215408), (12, 6810272), (14, 5837376), (16, 5107704), (21, 3891584), (24, 3405136), (28, 2918688), (32, 2553852), (42, 1945792), (48, 1702568), (56, 1459344), (64, 1276926), (84, 972896), (96, 851284), (112, 729672), (128, 638463), (168, 486448), (192, 425642), (224, 364836), (336, 243224), (384, 212821), (448, 182418), (672, 121612), (896, 91209), (1344, 60806), (2688, 30403)]