68890485

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 122572800

約数和(自身を除く): 53682315

約数列:

[1, 3, 5, 15, 19, 37, 47, 57, 95, 111, 139, 141, 185, 235, 285, 417, 555, 695, 703, 705, 893, 1739, 2085, 2109, 2641, 2679, 3515, 4465, 5143, 5217, 6533, 7923, 8695, 10545, 13205, 13395, 15429, 19599, 25715, 26085, 32665, 33041, 39615, 77145, 97717, 97995, 99123, 124127, 165205, 241721, 293151, 372381, 488585, 495615, 620635, 725163, 1208605, 1465755, 1861905, 3625815, 4592699, 13778097, 22963495, 68890485]

約数ペア:

[(1, 68890485), (3, 22963495), (5, 13778097), (15, 4592699), (19, 3625815), (37, 1861905), (47, 1465755), (57, 1208605), (95, 725163), (111, 620635), (139, 495615), (141, 488585), (185, 372381), (235, 293151), (285, 241721), (417, 165205), (555, 124127), (695, 99123), (703, 97995), (705, 97717), (893, 77145), (1739, 39615), (2085, 33041), (2109, 32665), (2641, 26085), (2679, 25715), (3515, 19599), (4465, 15429), (5143, 13395), (5217, 13205), (6533, 10545), (7923, 8695)]