261893736

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:318

約数の個数: 192

約数和(自身を含む): 813933120

約数和(自身を除く): 552039384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 43, 52, 54, 72, 78, 81, 86, 104, 108, 117, 129, 156, 162, 172, 216, 234, 241, 243, 258, 312, 324, 344, 351, 387, 468, 482, 486, 516, 559, 648, 702, 723, 774, 936, 964, 972, 1032, 1053, 1118, 1161, 1404, 1446, 1548, 1677, 1928, 1944, 2106, 2169, 2236, 2322, 2808, 2892, 3096, 3133, 3159, 3354, 3483, 4212, 4338, 4472, 4644, 5031, 5784, 6266, 6318, 6507, 6708, 6966, 8424, 8676, 9288, 9399, 10062, 10363, 10449, 12532, 12636, 13014, 13416, 13932, 15093, 17352, 18798, 19521, 20124, 20726, 20898, 25064, 25272, 26028, 27864, 28197, 30186, 31089, 37596, 39042, 40248, 41452, 41796, 45279, 52056, 56394, 58563, 60372, 62178, 75192, 78084, 82904, 83592, 84591, 90558, 93267, 112788, 117126, 120744, 124356, 134719, 135837, 156168, 169182, 181116, 186534, 225576, 234252, 248712, 253773, 269438, 271674, 279801, 338364, 362232, 373068, 404157, 468504, 507546, 538876, 543348, 559602, 676728, 746136, 761319, 808314, 839403, 1015092, 1077752, 1086696, 1119204, 1212471, 1522638, 1616628, 1678806, 2030184, 2238408, 2424942, 2518209, 3045276, 3233256, 3357612, 3637413, 4849884, 5036418, 6090552, 6715224, 7274826, 9699768, 10072836, 10912239, 14549652, 20145672, 21824478, 29099304, 32736717, 43648956, 65473434, 87297912, 130946868, 261893736]

約数ペア:

[(1, 261893736), (2, 130946868), (3, 87297912), (4, 65473434), (6, 43648956), (8, 32736717), (9, 29099304), (12, 21824478), (13, 20145672), (18, 14549652), (24, 10912239), (26, 10072836), (27, 9699768), (36, 7274826), (39, 6715224), (43, 6090552), (52, 5036418), (54, 4849884), (72, 3637413), (78, 3357612), (81, 3233256), (86, 3045276), (104, 2518209), (108, 2424942), (117, 2238408), (129, 2030184), (156, 1678806), (162, 1616628), (172, 1522638), (216, 1212471), (234, 1119204), (241, 1086696), (243, 1077752), (258, 1015092), (312, 839403), (324, 808314), (344, 761319), (351, 746136), (387, 676728), (468, 559602), (482, 543348), (486, 538876), (516, 507546), (559, 468504), (648, 404157), (702, 373068), (723, 362232), (774, 338364), (936, 279801), (964, 271674), (972, 269438), (1032, 253773), (1053, 248712), (1118, 234252), (1161, 225576), (1404, 186534), (1446, 181116), (1548, 169182), (1677, 156168), (1928, 135837), (1944, 134719), (2106, 124356), (2169, 120744), (2236, 117126), (2322, 112788), (2808, 93267), (2892, 90558), (3096, 84591), (3133, 83592), (3159, 82904), (3354, 78084), (3483, 75192), (4212, 62178), (4338, 60372), (4472, 58563), (4644, 56394), (5031, 52056), (5784, 45279), (6266, 41796), (6318, 41452), (6507, 40248), (6708, 39042), (6966, 37596), (8424, 31089), (8676, 30186), (9288, 28197), (9399, 27864), (10062, 26028), (10363, 25272), (10449, 25064), (12532, 20898), (12636, 20726), (13014, 20124), (13416, 19521), (13932, 18798), (15093, 17352)]