285943040

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1759}}^1$

素因数の和:1907

約数の個数: 72

約数和(自身を含む): 690708480

約数和(自身を除く): 404765440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 1759, 2032, 2540, 3518, 4064, 5080, 7036, 8128, 8795, 10160, 14072, 16256, 17590, 20320, 28144, 32512, 35180, 40640, 56288, 70360, 81280, 112576, 140720, 162560, 223393, 225152, 281440, 446786, 450304, 562880, 893572, 1116965, 1125760, 1787144, 2233930, 2251520, 3574288, 4467860, 7148576, 8935720, 14297152, 17871440, 28594304, 35742880, 57188608, 71485760, 142971520, 285943040]

約数ペア:

[(1, 285943040), (2, 142971520), (4, 71485760), (5, 57188608), (8, 35742880), (10, 28594304), (16, 17871440), (20, 14297152), (32, 8935720), (40, 7148576), (64, 4467860), (80, 3574288), (127, 2251520), (128, 2233930), (160, 1787144), (254, 1125760), (256, 1116965), (320, 893572), (508, 562880), (635, 450304), (640, 446786), (1016, 281440), (1270, 225152), (1280, 223393), (1759, 162560), (2032, 140720), (2540, 112576), (3518, 81280), (4064, 70360), (5080, 56288), (7036, 40640), (8128, 35180), (8795, 32512), (10160, 28144), (14072, 20320), (16256, 17590)]