164754560

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2027}}^1$

素因数の和:2173

約数の個数: 64

約数和(自身を含む): 397163520

約数和(自身を除く): 232408960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2027, 2032, 2540, 4054, 4064, 5080, 8108, 8128, 10135, 10160, 16216, 16256, 20270, 20320, 32432, 40540, 40640, 64864, 81080, 81280, 129728, 162160, 257429, 259456, 324320, 514858, 648640, 1029716, 1287145, 1297280, 2059432, 2574290, 4118864, 5148580, 8237728, 10297160, 16475456, 20594320, 32950912, 41188640, 82377280, 164754560]

約数ペア:

[(1, 164754560), (2, 82377280), (4, 41188640), (5, 32950912), (8, 20594320), (10, 16475456), (16, 10297160), (20, 8237728), (32, 5148580), (40, 4118864), (64, 2574290), (80, 2059432), (127, 1297280), (128, 1287145), (160, 1029716), (254, 648640), (320, 514858), (508, 324320), (635, 259456), (640, 257429), (1016, 162160), (1270, 129728), (2027, 81280), (2032, 81080), (2540, 64864), (4054, 40640), (4064, 40540), (5080, 32432), (8108, 20320), (8128, 20270), (10135, 16256), (10160, 16216)]