1279497728

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{607}}^1$

素因数の和:827

約数の個数: 80

約数和(自身を含む): 2686970880

約数和(自身を除く): 1407473152

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 179, 184, 256, 358, 368, 512, 607, 716, 736, 1214, 1432, 1472, 2428, 2864, 2944, 4117, 4856, 5728, 5888, 8234, 9712, 11456, 11776, 13961, 16468, 19424, 22912, 27922, 32936, 38848, 45824, 55844, 65872, 77696, 91648, 108653, 111688, 131744, 155392, 217306, 223376, 263488, 310784, 434612, 446752, 526976, 869224, 893504, 1053952, 1738448, 1787008, 2107904, 2499019, 3476896, 3574016, 4998038, 6953792, 7148032, 9996076, 13907584, 19992152, 27815168, 39984304, 55630336, 79968608, 159937216, 319874432, 639748864, 1279497728]

約数ペア:

[(1, 1279497728), (2, 639748864), (4, 319874432), (8, 159937216), (16, 79968608), (23, 55630336), (32, 39984304), (46, 27815168), (64, 19992152), (92, 13907584), (128, 9996076), (179, 7148032), (184, 6953792), (256, 4998038), (358, 3574016), (368, 3476896), (512, 2499019), (607, 2107904), (716, 1787008), (736, 1738448), (1214, 1053952), (1432, 893504), (1472, 869224), (2428, 526976), (2864, 446752), (2944, 434612), (4117, 310784), (4856, 263488), (5728, 223376), (5888, 217306), (8234, 155392), (9712, 131744), (11456, 111688), (11776, 108653), (13961, 91648), (16468, 77696), (19424, 65872), (22912, 55844), (27922, 45824), (32936, 38848)]