81495648

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21767}}^1$

素因数の和:21796

約数の個数: 72

約数和(自身を含む): 249591888

約数和(自身を除く): 168096240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 21767, 43534, 65301, 87068, 130602, 174136, 195903, 261204, 282971, 348272, 391806, 522408, 565942, 696544, 783612, 848913, 1044816, 1131884, 1567224, 1697826, 2089632, 2263768, 2546739, 3134448, 3395652, 4527536, 5093478, 6268896, 6791304, 9055072, 10186956, 13582608, 20373912, 27165216, 40747824, 81495648]

約数ペア:

[(1, 81495648), (2, 40747824), (3, 27165216), (4, 20373912), (6, 13582608), (8, 10186956), (9, 9055072), (12, 6791304), (13, 6268896), (16, 5093478), (18, 4527536), (24, 3395652), (26, 3134448), (32, 2546739), (36, 2263768), (39, 2089632), (48, 1697826), (52, 1567224), (72, 1131884), (78, 1044816), (96, 848913), (104, 783612), (117, 696544), (144, 565942), (156, 522408), (208, 391806), (234, 348272), (288, 282971), (312, 261204), (416, 195903), (468, 174136), (624, 130602), (936, 87068), (1248, 65301), (1872, 43534), (3744, 21767)]