81765216

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21839}}^1$

素因数の和:21868

約数の個数: 72

約数和(自身を含む): 250417440

約数和(自身を除く): 168652224

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, 21839, 43678, 65517, 87356, 131034, 174712, 196551, 262068, 283907, 349424, 393102, 524136, 567814, 698848, 786204, 851721, 1048272, 1135628, 1572408, 1703442, 2096544, 2271256, 2555163, 3144816, 3406884, 4542512, 5110326, 6289632, 6813768, 9085024, 10220652, 13627536, 20441304, 27255072, 40882608, 81765216]

約数ペア:

[(1, 81765216), (2, 40882608), (3, 27255072), (4, 20441304), (6, 13627536), (8, 10220652), (9, 9085024), (12, 6813768), (13, 6289632), (16, 5110326), (18, 4542512), (24, 3406884), (26, 3144816), (32, 2555163), (36, 2271256), (39, 2096544), (48, 1703442), (52, 1572408), (72, 1135628), (78, 1048272), (96, 851721), (104, 786204), (117, 698848), (144, 567814), (156, 524136), (208, 393102), (234, 349424), (288, 283907), (312, 262068), (416, 196551), (468, 174712), (624, 131034), (936, 87356), (1248, 65517), (1872, 43678), (3744, 21839)]