126145280

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:869

約数の個数: 72

約数和(自身を含む): 304760400

約数和(自身を除く): 178615120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 556, 640, 695, 709, 1112, 1280, 1390, 1418, 2224, 2780, 2836, 3545, 4448, 5560, 5672, 7090, 8896, 11120, 11344, 14180, 17792, 22240, 22688, 28360, 35584, 44480, 45376, 56720, 88960, 90752, 98551, 113440, 177920, 181504, 197102, 226880, 394204, 453760, 492755, 788408, 907520, 985510, 1576816, 1971020, 3153632, 3942040, 6307264, 7884080, 12614528, 15768160, 25229056, 31536320, 63072640, 126145280]

約数ペア:

[(1, 126145280), (2, 63072640), (4, 31536320), (5, 25229056), (8, 15768160), (10, 12614528), (16, 7884080), (20, 6307264), (32, 3942040), (40, 3153632), (64, 1971020), (80, 1576816), (128, 985510), (139, 907520), (160, 788408), (256, 492755), (278, 453760), (320, 394204), (556, 226880), (640, 197102), (695, 181504), (709, 177920), (1112, 113440), (1280, 98551), (1390, 90752), (1418, 88960), (2224, 56720), (2780, 45376), (2836, 44480), (3545, 35584), (4448, 28360), (5560, 22688), (5672, 22240), (7090, 17792), (8896, 14180), (11120, 11344)]