166461440

素因数分解:

$2^{18}\times 5^1\times {\mathrm{127}}^1$

素因数の和:168

約数の個数: 76

約数和(自身を含む): 402652416

約数和(自身を除く): 236190976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 1016, 1024, 1270, 1280, 2032, 2048, 2540, 2560, 4064, 4096, 5080, 5120, 8128, 8192, 10160, 10240, 16256, 16384, 20320, 20480, 32512, 32768, 40640, 40960, 65024, 65536, 81280, 81920, 130048, 131072, 162560, 163840, 260096, 262144, 325120, 327680, 520192, 650240, 655360, 1040384, 1300480, 1310720, 2080768, 2600960, 4161536, 5201920, 8323072, 10403840, 16646144, 20807680, 33292288, 41615360, 83230720, 166461440]

約数ペア:

[(1, 166461440), (2, 83230720), (4, 41615360), (5, 33292288), (8, 20807680), (10, 16646144), (16, 10403840), (20, 8323072), (32, 5201920), (40, 4161536), (64, 2600960), (80, 2080768), (127, 1310720), (128, 1300480), (160, 1040384), (254, 655360), (256, 650240), (320, 520192), (508, 327680), (512, 325120), (635, 262144), (640, 260096), (1016, 163840), (1024, 162560), (1270, 131072), (1280, 130048), (2032, 81920), (2048, 81280), (2540, 65536), (2560, 65024), (4064, 40960), (4096, 40640), (5080, 32768), (5120, 32512), (8128, 20480), (8192, 20320), (10160, 16384), (10240, 16256)]