81423936

素因数分解:

$2^6\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 168

約数和(自身を含む): 259616448

約数和(自身を除く): 178192512

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 71, 72, 88, 96, 99, 132, 142, 144, 176, 181, 192, 198, 213, 264, 284, 288, 352, 362, 396, 426, 528, 543, 568, 576, 639, 704, 724, 781, 792, 852, 1056, 1086, 1136, 1278, 1448, 1562, 1584, 1629, 1704, 1991, 2112, 2172, 2272, 2343, 2556, 2896, 3124, 3168, 3258, 3408, 3982, 4344, 4544, 4686, 5112, 5792, 5973, 6248, 6336, 6516, 6816, 7029, 7964, 8688, 9372, 10224, 11584, 11946, 12496, 12851, 13032, 13632, 14058, 15928, 17376, 17919, 18744, 20448, 23892, 24992, 25702, 26064, 28116, 31856, 34752, 35838, 37488, 38553, 40896, 47784, 49984, 51404, 52128, 56232, 63712, 71676, 74976, 77106, 95568, 102808, 104256, 112464, 115659, 127424, 141361, 143352, 149952, 154212, 191136, 205616, 224928, 231318, 282722, 286704, 308424, 382272, 411232, 424083, 449856, 462636, 565444, 573408, 616848, 822464, 848166, 925272, 1130888, 1146816, 1233696, 1272249, 1696332, 1850544, 2261776, 2467392, 2544498, 3392664, 3701088, 4523552, 5088996, 6785328, 7402176, 9047104, 10177992, 13570656, 20355984, 27141312, 40711968, 81423936]

約数ペア:

[(1, 81423936), (2, 40711968), (3, 27141312), (4, 20355984), (6, 13570656), (8, 10177992), (9, 9047104), (11, 7402176), (12, 6785328), (16, 5088996), (18, 4523552), (22, 3701088), (24, 3392664), (32, 2544498), (33, 2467392), (36, 2261776), (44, 1850544), (48, 1696332), (64, 1272249), (66, 1233696), (71, 1146816), (72, 1130888), (88, 925272), (96, 848166), (99, 822464), (132, 616848), (142, 573408), (144, 565444), (176, 462636), (181, 449856), (192, 424083), (198, 411232), (213, 382272), (264, 308424), (284, 286704), (288, 282722), (352, 231318), (362, 224928), (396, 205616), (426, 191136), (528, 154212), (543, 149952), (568, 143352), (576, 141361), (639, 127424), (704, 115659), (724, 112464), (781, 104256), (792, 102808), (852, 95568), (1056, 77106), (1086, 74976), (1136, 71676), (1278, 63712), (1448, 56232), (1562, 52128), (1584, 51404), (1629, 49984), (1704, 47784), (1991, 40896), (2112, 38553), (2172, 37488), (2272, 35838), (2343, 34752), (2556, 31856), (2896, 28116), (3124, 26064), (3168, 25702), (3258, 24992), (3408, 23892), (3982, 20448), (4344, 18744), (4544, 17919), (4686, 17376), (5112, 15928), (5792, 14058), (5973, 13632), (6248, 13032), (6336, 12851), (6516, 12496), (6816, 11946), (7029, 11584), (7964, 10224), (8688, 9372)]