81720912

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:437

約数の個数: 160

約数和(自身を含む): 265483008

約数和(自身を除く): 183762096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 53, 56, 78, 84, 91, 104, 106, 112, 156, 159, 168, 182, 208, 212, 273, 312, 318, 336, 353, 364, 371, 424, 546, 624, 636, 689, 706, 728, 742, 848, 1059, 1092, 1113, 1272, 1378, 1412, 1456, 1484, 2067, 2118, 2184, 2226, 2471, 2544, 2756, 2824, 2968, 4134, 4236, 4368, 4452, 4589, 4823, 4942, 5512, 5648, 5936, 7413, 8268, 8472, 8904, 9178, 9646, 9884, 11024, 13767, 14469, 14826, 16536, 16944, 17808, 18356, 18709, 19292, 19768, 27534, 28938, 29652, 32123, 33072, 36712, 37418, 38584, 39536, 55068, 56127, 57876, 59304, 64246, 73424, 74836, 77168, 96369, 110136, 112254, 115752, 118608, 128492, 130963, 149672, 192738, 220272, 224508, 231504, 243217, 256984, 261926, 299344, 385476, 392889, 449016, 486434, 513968, 523852, 729651, 770952, 785778, 898032, 972868, 1047704, 1459302, 1541904, 1571556, 1702519, 1945736, 2095408, 2918604, 3143112, 3405038, 3891472, 5107557, 5837208, 6286224, 6810076, 10215114, 11674416, 13620152, 20430228, 27240304, 40860456, 81720912]

約数ペア:

[(1, 81720912), (2, 40860456), (3, 27240304), (4, 20430228), (6, 13620152), (7, 11674416), (8, 10215114), (12, 6810076), (13, 6286224), (14, 5837208), (16, 5107557), (21, 3891472), (24, 3405038), (26, 3143112), (28, 2918604), (39, 2095408), (42, 1945736), (48, 1702519), (52, 1571556), (53, 1541904), (56, 1459302), (78, 1047704), (84, 972868), (91, 898032), (104, 785778), (106, 770952), (112, 729651), (156, 523852), (159, 513968), (168, 486434), (182, 449016), (208, 392889), (212, 385476), (273, 299344), (312, 261926), (318, 256984), (336, 243217), (353, 231504), (364, 224508), (371, 220272), (424, 192738), (546, 149672), (624, 130963), (636, 128492), (689, 118608), (706, 115752), (728, 112254), (742, 110136), (848, 96369), (1059, 77168), (1092, 74836), (1113, 73424), (1272, 64246), (1378, 59304), (1412, 57876), (1456, 56127), (1484, 55068), (2067, 39536), (2118, 38584), (2184, 37418), (2226, 36712), (2471, 33072), (2544, 32123), (2756, 29652), (2824, 28938), (2968, 27534), (4134, 19768), (4236, 19292), (4368, 18709), (4452, 18356), (4589, 17808), (4823, 16944), (4942, 16536), (5512, 14826), (5648, 14469), (5936, 13767), (7413, 11024), (8268, 9884), (8472, 9646), (8904, 9178)]