1761280

素因数分解:

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

素因数の和:74

約数の個数: 56

約数和(自身を含む): 4325112

約数和(自身を除く): 2563832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 512, 640, 688, 860, 1024, 1280, 1376, 1720, 2048, 2560, 2752, 3440, 4096, 5120, 5504, 6880, 8192, 10240, 11008, 13760, 20480, 22016, 27520, 40960, 44032, 55040, 88064, 110080, 176128, 220160, 352256, 440320, 880640, 1761280]

約数ペア:

[(1, 1761280), (2, 880640), (4, 440320), (5, 352256), (8, 220160), (10, 176128), (16, 110080), (20, 88064), (32, 55040), (40, 44032), (43, 40960), (64, 27520), (80, 22016), (86, 20480), (128, 13760), (160, 11008), (172, 10240), (215, 8192), (256, 6880), (320, 5504), (344, 5120), (430, 4096), (512, 3440), (640, 2752), (688, 2560), (860, 2048), (1024, 1720), (1280, 1376)]