165160960

素因数分解:

$2^{11}\times 5^1\times {\mathrm{127}}^2$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 399434490

約数和(自身を除く): 234273530

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, 5080, 5120, 8128, 10160, 10240, 16129, 16256, 20320, 32258, 32512, 40640, 64516, 65024, 80645, 81280, 129032, 130048, 161290, 162560, 258064, 260096, 322580, 325120, 516128, 645160, 650240, 1032256, 1290320, 1300480, 2064512, 2580640, 4129024, 5161280, 8258048, 10322560, 16516096, 20645120, 33032192, 41290240, 82580480, 165160960]

約数ペア:

[(1, 165160960), (2, 82580480), (4, 41290240), (5, 33032192), (8, 20645120), (10, 16516096), (16, 10322560), (20, 8258048), (32, 5161280), (40, 4129024), (64, 2580640), (80, 2064512), (127, 1300480), (128, 1290320), (160, 1032256), (254, 650240), (256, 645160), (320, 516128), (508, 325120), (512, 322580), (635, 260096), (640, 258064), (1016, 162560), (1024, 161290), (1270, 130048), (1280, 129032), (2032, 81280), (2048, 80645), (2540, 65024), (2560, 64516), (4064, 40640), (5080, 32512), (5120, 32258), (8128, 20320), (10160, 16256), (10240, 16129)]