280647680

素因数分解:

$2^{11}\times 5^1\times {\mathrm{27407}}^1$

素因数の和:27434

約数の個数: 48

約数和(自身を含む): 673414560

約数和(自身を除く): 392766880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 27407, 54814, 109628, 137035, 219256, 274070, 438512, 548140, 877024, 1096280, 1754048, 2192560, 3508096, 4385120, 7016192, 8770240, 14032384, 17540480, 28064768, 35080960, 56129536, 70161920, 140323840, 280647680]

約数ペア:

[(1, 280647680), (2, 140323840), (4, 70161920), (5, 56129536), (8, 35080960), (10, 28064768), (16, 17540480), (20, 14032384), (32, 8770240), (40, 7016192), (64, 4385120), (80, 3508096), (128, 2192560), (160, 1754048), (256, 1096280), (320, 877024), (512, 548140), (640, 438512), (1024, 274070), (1280, 219256), (2048, 137035), (2560, 109628), (5120, 54814), (10240, 27407)]