128665600

素因数分解:

$2^{11}\times 5^2\times 7^1\times {\mathrm{359}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 365601600

約数和(自身を除く): 236936000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 359, 400, 448, 512, 560, 640, 700, 718, 800, 896, 1024, 1120, 1280, 1400, 1436, 1600, 1792, 1795, 2048, 2240, 2513, 2560, 2800, 2872, 3200, 3584, 3590, 4480, 5026, 5120, 5600, 5744, 6400, 7168, 7180, 8960, 8975, 10052, 10240, 11200, 11488, 12565, 12800, 14336, 14360, 17920, 17950, 20104, 22400, 22976, 25130, 25600, 28720, 35840, 35900, 40208, 44800, 45952, 50260, 51200, 57440, 62825, 71680, 71800, 80416, 89600, 91904, 100520, 114880, 125650, 143600, 160832, 179200, 183808, 201040, 229760, 251300, 287200, 321664, 358400, 367616, 402080, 459520, 502600, 574400, 643328, 735232, 804160, 919040, 1005200, 1148800, 1286656, 1608320, 1838080, 2010400, 2297600, 2573312, 3216640, 3676160, 4020800, 4595200, 5146624, 6433280, 8041600, 9190400, 12866560, 16083200, 18380800, 25733120, 32166400, 64332800, 128665600]

約数ペア:

[(1, 128665600), (2, 64332800), (4, 32166400), (5, 25733120), (7, 18380800), (8, 16083200), (10, 12866560), (14, 9190400), (16, 8041600), (20, 6433280), (25, 5146624), (28, 4595200), (32, 4020800), (35, 3676160), (40, 3216640), (50, 2573312), (56, 2297600), (64, 2010400), (70, 1838080), (80, 1608320), (100, 1286656), (112, 1148800), (128, 1005200), (140, 919040), (160, 804160), (175, 735232), (200, 643328), (224, 574400), (256, 502600), (280, 459520), (320, 402080), (350, 367616), (359, 358400), (400, 321664), (448, 287200), (512, 251300), (560, 229760), (640, 201040), (700, 183808), (718, 179200), (800, 160832), (896, 143600), (1024, 125650), (1120, 114880), (1280, 100520), (1400, 91904), (1436, 89600), (1600, 80416), (1792, 71800), (1795, 71680), (2048, 62825), (2240, 57440), (2513, 51200), (2560, 50260), (2800, 45952), (2872, 44800), (3200, 40208), (3584, 35900), (3590, 35840), (4480, 28720), (5026, 25600), (5120, 25130), (5600, 22976), (5744, 22400), (6400, 20104), (7168, 17950), (7180, 17920), (8960, 14360), (8975, 14336), (10052, 12800), (10240, 12565), (11200, 11488)]