81276272

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1783}}^1$

素因数の和:1846

約数の個数: 80

約数和(自身を含む): 201748992

約数和(自身を除く): 120472720

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 37, 44, 56, 74, 77, 88, 112, 148, 154, 176, 259, 296, 308, 407, 518, 592, 616, 814, 1036, 1232, 1628, 1783, 2072, 2849, 3256, 3566, 4144, 5698, 6512, 7132, 11396, 12481, 14264, 19613, 22792, 24962, 28528, 39226, 45584, 49924, 65971, 78452, 99848, 131942, 137291, 156904, 199696, 263884, 274582, 313808, 461797, 527768, 549164, 725681, 923594, 1055536, 1098328, 1451362, 1847188, 2196656, 2902724, 3694376, 5079767, 5805448, 7388752, 10159534, 11610896, 20319068, 40638136, 81276272]

約数ペア:

[(1, 81276272), (2, 40638136), (4, 20319068), (7, 11610896), (8, 10159534), (11, 7388752), (14, 5805448), (16, 5079767), (22, 3694376), (28, 2902724), (37, 2196656), (44, 1847188), (56, 1451362), (74, 1098328), (77, 1055536), (88, 923594), (112, 725681), (148, 549164), (154, 527768), (176, 461797), (259, 313808), (296, 274582), (308, 263884), (407, 199696), (518, 156904), (592, 137291), (616, 131942), (814, 99848), (1036, 78452), (1232, 65971), (1628, 49924), (1783, 45584), (2072, 39226), (2849, 28528), (3256, 24962), (3566, 22792), (4144, 19613), (5698, 14264), (6512, 12481), (7132, 11396)]