81831168

素因数分解:

$2^8\times 3^3\times {\mathrm{11839}}^1$

素因数の和:11864

約数の個数: 72

約数和(自身を含む): 242009600

約数和(自身を除く): 160178432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 576, 768, 864, 1152, 1728, 2304, 3456, 6912, 11839, 23678, 35517, 47356, 71034, 94712, 106551, 142068, 189424, 213102, 284136, 319653, 378848, 426204, 568272, 639306, 757696, 852408, 1136544, 1278612, 1515392, 1704816, 2273088, 2557224, 3030784, 3409632, 4546176, 5114448, 6819264, 9092352, 10228896, 13638528, 20457792, 27277056, 40915584, 81831168]

約数ペア:

[(1, 81831168), (2, 40915584), (3, 27277056), (4, 20457792), (6, 13638528), (8, 10228896), (9, 9092352), (12, 6819264), (16, 5114448), (18, 4546176), (24, 3409632), (27, 3030784), (32, 2557224), (36, 2273088), (48, 1704816), (54, 1515392), (64, 1278612), (72, 1136544), (96, 852408), (108, 757696), (128, 639306), (144, 568272), (192, 426204), (216, 378848), (256, 319653), (288, 284136), (384, 213102), (432, 189424), (576, 142068), (768, 106551), (864, 94712), (1152, 71034), (1728, 47356), (2304, 35517), (3456, 23678), (6912, 11839)]