81527784

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:867

約数の個数: 128

約数和(自身を含む): 244944000

約数和(自身を除く): 163416216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 19, 24, 26, 34, 38, 39, 51, 52, 57, 68, 76, 78, 102, 104, 114, 136, 152, 156, 204, 221, 228, 247, 312, 323, 408, 442, 456, 494, 646, 663, 741, 809, 884, 969, 988, 1292, 1326, 1482, 1618, 1768, 1938, 1976, 2427, 2584, 2652, 2964, 3236, 3876, 4199, 4854, 5304, 5928, 6472, 7752, 8398, 9708, 10517, 12597, 13753, 15371, 16796, 19416, 21034, 25194, 27506, 30742, 31551, 33592, 41259, 42068, 46113, 50388, 55012, 61484, 63102, 82518, 84136, 92226, 100776, 110024, 122968, 126204, 165036, 178789, 184452, 199823, 252408, 261307, 330072, 357578, 368904, 399646, 522614, 536367, 599469, 715156, 783921, 799292, 1045228, 1072734, 1198938, 1430312, 1567842, 1598584, 2090456, 2145468, 2397876, 3135684, 3396991, 4290936, 4795752, 6271368, 6793982, 10190973, 13587964, 20381946, 27175928, 40763892, 81527784]

約数ペア:

[(1, 81527784), (2, 40763892), (3, 27175928), (4, 20381946), (6, 13587964), (8, 10190973), (12, 6793982), (13, 6271368), (17, 4795752), (19, 4290936), (24, 3396991), (26, 3135684), (34, 2397876), (38, 2145468), (39, 2090456), (51, 1598584), (52, 1567842), (57, 1430312), (68, 1198938), (76, 1072734), (78, 1045228), (102, 799292), (104, 783921), (114, 715156), (136, 599469), (152, 536367), (156, 522614), (204, 399646), (221, 368904), (228, 357578), (247, 330072), (312, 261307), (323, 252408), (408, 199823), (442, 184452), (456, 178789), (494, 165036), (646, 126204), (663, 122968), (741, 110024), (809, 100776), (884, 92226), (969, 84136), (988, 82518), (1292, 63102), (1326, 61484), (1482, 55012), (1618, 50388), (1768, 46113), (1938, 42068), (1976, 41259), (2427, 33592), (2584, 31551), (2652, 30742), (2964, 27506), (3236, 25194), (3876, 21034), (4199, 19416), (4854, 16796), (5304, 15371), (5928, 13753), (6472, 12597), (7752, 10517), (8398, 9708)]