81761328

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:823

約数の個数: 120

約数和(自身を含む): 253483776

約数和(自身を除く): 171722448

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 71, 72, 88, 99, 132, 142, 144, 176, 198, 213, 264, 284, 396, 426, 528, 568, 639, 727, 781, 792, 852, 1136, 1278, 1454, 1562, 1584, 1704, 2181, 2343, 2556, 2908, 3124, 3408, 4362, 4686, 5112, 5816, 6248, 6543, 7029, 7997, 8724, 9372, 10224, 11632, 12496, 13086, 14058, 15994, 17448, 18744, 23991, 26172, 28116, 31988, 34896, 37488, 47982, 51617, 52344, 56232, 63976, 71973, 95964, 103234, 104688, 112464, 127952, 143946, 154851, 191928, 206468, 287892, 309702, 383856, 412936, 464553, 567787, 575784, 619404, 825872, 929106, 1135574, 1151568, 1238808, 1703361, 1858212, 2271148, 2477616, 3406722, 3716424, 4542296, 5110083, 6813444, 7432848, 9084592, 10220166, 13626888, 20440332, 27253776, 40880664, 81761328]

約数ペア:

[(1, 81761328), (2, 40880664), (3, 27253776), (4, 20440332), (6, 13626888), (8, 10220166), (9, 9084592), (11, 7432848), (12, 6813444), (16, 5110083), (18, 4542296), (22, 3716424), (24, 3406722), (33, 2477616), (36, 2271148), (44, 1858212), (48, 1703361), (66, 1238808), (71, 1151568), (72, 1135574), (88, 929106), (99, 825872), (132, 619404), (142, 575784), (144, 567787), (176, 464553), (198, 412936), (213, 383856), (264, 309702), (284, 287892), (396, 206468), (426, 191928), (528, 154851), (568, 143946), (639, 127952), (727, 112464), (781, 104688), (792, 103234), (852, 95964), (1136, 71973), (1278, 63976), (1454, 56232), (1562, 52344), (1584, 51617), (1704, 47982), (2181, 37488), (2343, 34896), (2556, 31988), (2908, 28116), (3124, 26172), (3408, 23991), (4362, 18744), (4686, 17448), (5112, 15994), (5816, 14058), (6248, 13086), (6543, 12496), (7029, 11632), (7997, 10224), (8724, 9372)]