81506568

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:188

約数の個数: 192

約数和(自身を含む): 257402880

約数和(自身を除く): 175896312

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 17, 22, 24, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 88, 102, 104, 121, 127, 132, 136, 143, 156, 187, 204, 221, 242, 254, 264, 286, 312, 363, 374, 381, 408, 429, 442, 484, 508, 561, 572, 663, 726, 748, 762, 858, 884, 968, 1016, 1122, 1144, 1326, 1397, 1452, 1496, 1524, 1573, 1651, 1716, 1768, 2057, 2159, 2244, 2431, 2652, 2794, 2904, 3048, 3146, 3302, 3432, 4114, 4191, 4318, 4488, 4719, 4862, 4953, 5304, 5588, 6171, 6292, 6477, 6604, 7293, 8228, 8382, 8636, 9438, 9724, 9906, 11176, 12342, 12584, 12954, 13208, 14586, 15367, 16456, 16764, 17272, 18161, 18876, 19448, 19812, 23749, 24684, 25908, 26741, 28067, 29172, 30734, 33528, 36322, 37752, 39624, 46101, 47498, 49368, 51816, 53482, 54483, 56134, 58344, 61468, 71247, 72644, 80223, 84201, 92202, 94996, 106964, 108966, 112268, 122936, 142494, 145288, 160446, 168402, 184404, 189992, 199771, 213928, 217932, 224536, 261239, 284988, 308737, 320892, 336804, 368808, 399542, 435864, 522478, 569976, 599313, 617474, 641784, 673608, 783717, 799084, 926211, 1044956, 1198626, 1234948, 1567434, 1598168, 1852422, 2089912, 2397252, 2469896, 3134868, 3396107, 3704844, 4794504, 6269736, 6792214, 7409688, 10188321, 13584428, 20376642, 27168856, 40753284, 81506568]

約数ペア:

[(1, 81506568), (2, 40753284), (3, 27168856), (4, 20376642), (6, 13584428), (8, 10188321), (11, 7409688), (12, 6792214), (13, 6269736), (17, 4794504), (22, 3704844), (24, 3396107), (26, 3134868), (33, 2469896), (34, 2397252), (39, 2089912), (44, 1852422), (51, 1598168), (52, 1567434), (66, 1234948), (68, 1198626), (78, 1044956), (88, 926211), (102, 799084), (104, 783717), (121, 673608), (127, 641784), (132, 617474), (136, 599313), (143, 569976), (156, 522478), (187, 435864), (204, 399542), (221, 368808), (242, 336804), (254, 320892), (264, 308737), (286, 284988), (312, 261239), (363, 224536), (374, 217932), (381, 213928), (408, 199771), (429, 189992), (442, 184404), (484, 168402), (508, 160446), (561, 145288), (572, 142494), (663, 122936), (726, 112268), (748, 108966), (762, 106964), (858, 94996), (884, 92202), (968, 84201), (1016, 80223), (1122, 72644), (1144, 71247), (1326, 61468), (1397, 58344), (1452, 56134), (1496, 54483), (1524, 53482), (1573, 51816), (1651, 49368), (1716, 47498), (1768, 46101), (2057, 39624), (2159, 37752), (2244, 36322), (2431, 33528), (2652, 30734), (2794, 29172), (2904, 28067), (3048, 26741), (3146, 25908), (3302, 24684), (3432, 23749), (4114, 19812), (4191, 19448), (4318, 18876), (4488, 18161), (4719, 17272), (4862, 16764), (4953, 16456), (5304, 15367), (5588, 14586), (6171, 13208), (6292, 12954), (6477, 12584), (6604, 12342), (7293, 11176), (8228, 9906), (8382, 9724), (8636, 9438)]