81207456

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{6991}}^1$

素因数の和:7026

約数の個数: 72

約数和(自身を含む): 234343872

約数和(自身を除く): 153136416

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 121, 132, 176, 242, 264, 352, 363, 484, 528, 726, 968, 1056, 1452, 1936, 2904, 3872, 5808, 6991, 11616, 13982, 20973, 27964, 41946, 55928, 76901, 83892, 111856, 153802, 167784, 223712, 230703, 307604, 335568, 461406, 615208, 671136, 845911, 922812, 1230416, 1691822, 1845624, 2460832, 2537733, 3383644, 3691248, 5075466, 6767288, 7382496, 10150932, 13534576, 20301864, 27069152, 40603728, 81207456]

約数ペア:

[(1, 81207456), (2, 40603728), (3, 27069152), (4, 20301864), (6, 13534576), (8, 10150932), (11, 7382496), (12, 6767288), (16, 5075466), (22, 3691248), (24, 3383644), (32, 2537733), (33, 2460832), (44, 1845624), (48, 1691822), (66, 1230416), (88, 922812), (96, 845911), (121, 671136), (132, 615208), (176, 461406), (242, 335568), (264, 307604), (352, 230703), (363, 223712), (484, 167784), (528, 153802), (726, 111856), (968, 83892), (1056, 76901), (1452, 55928), (1936, 41946), (2904, 27964), (3872, 20973), (5808, 13982), (6991, 11616)]