81307764

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4099}}^1$

素因数の和:4157

約数の個数: 72

約数和(自身を含む): 223860000

約数和(自身を除く): 142552236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 1044, 1102, 1653, 2204, 3306, 4099, 4959, 6612, 8198, 9918, 12297, 16396, 19836, 24594, 36891, 49188, 73782, 77881, 118871, 147564, 155762, 233643, 237742, 311524, 356613, 467286, 475484, 700929, 713226, 934572, 1069839, 1401858, 1426452, 2139678, 2258549, 2803716, 4279356, 4517098, 6775647, 9034196, 13551294, 20326941, 27102588, 40653882, 81307764]

約数ペア:

[(1, 81307764), (2, 40653882), (3, 27102588), (4, 20326941), (6, 13551294), (9, 9034196), (12, 6775647), (18, 4517098), (19, 4279356), (29, 2803716), (36, 2258549), (38, 2139678), (57, 1426452), (58, 1401858), (76, 1069839), (87, 934572), (114, 713226), (116, 700929), (171, 475484), (174, 467286), (228, 356613), (261, 311524), (342, 237742), (348, 233643), (522, 155762), (551, 147564), (684, 118871), (1044, 77881), (1102, 73782), (1653, 49188), (2204, 36891), (3306, 24594), (4099, 19836), (4959, 16396), (6612, 12297), (8198, 9918)]