81205416

素因数分解:

$2^3\times 3^4\times {\mathrm{113}}^1\times {\mathrm{1109}}^1$

素因数の和:1240

約数の個数: 80

約数和(自身を含む): 229670100

約数和(自身を除く): 148464684

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 113, 162, 216, 226, 324, 339, 452, 648, 678, 904, 1017, 1109, 1356, 2034, 2218, 2712, 3051, 3327, 4068, 4436, 6102, 6654, 8136, 8872, 9153, 9981, 12204, 13308, 18306, 19962, 24408, 26616, 29943, 36612, 39924, 59886, 73224, 79848, 89829, 119772, 125317, 179658, 239544, 250634, 359316, 375951, 501268, 718632, 751902, 1002536, 1127853, 1503804, 2255706, 3007608, 3383559, 4511412, 6767118, 9022824, 10150677, 13534236, 20301354, 27068472, 40602708, 81205416]

約数ペア:

[(1, 81205416), (2, 40602708), (3, 27068472), (4, 20301354), (6, 13534236), (8, 10150677), (9, 9022824), (12, 6767118), (18, 4511412), (24, 3383559), (27, 3007608), (36, 2255706), (54, 1503804), (72, 1127853), (81, 1002536), (108, 751902), (113, 718632), (162, 501268), (216, 375951), (226, 359316), (324, 250634), (339, 239544), (452, 179658), (648, 125317), (678, 119772), (904, 89829), (1017, 79848), (1109, 73224), (1356, 59886), (2034, 39924), (2218, 36612), (2712, 29943), (3051, 26616), (3327, 24408), (4068, 19962), (4436, 18306), (6102, 13308), (6654, 12204), (8136, 9981), (8872, 9153)]