321420160

素因数分解:

$2^7\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2903}}^1$

素因数の和:3095

約数の個数: 64

約数和(自身を含む): 773102880

約数和(自身を除く): 451682720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 320, 346, 640, 692, 865, 1384, 1730, 2768, 2903, 3460, 5536, 5806, 6920, 11072, 11612, 13840, 14515, 22144, 23224, 27680, 29030, 46448, 55360, 58060, 92896, 110720, 116120, 185792, 232240, 371584, 464480, 502219, 928960, 1004438, 1857920, 2008876, 2511095, 4017752, 5022190, 8035504, 10044380, 16071008, 20088760, 32142016, 40177520, 64284032, 80355040, 160710080, 321420160]

約数ペア:

[(1, 321420160), (2, 160710080), (4, 80355040), (5, 64284032), (8, 40177520), (10, 32142016), (16, 20088760), (20, 16071008), (32, 10044380), (40, 8035504), (64, 5022190), (80, 4017752), (128, 2511095), (160, 2008876), (173, 1857920), (320, 1004438), (346, 928960), (640, 502219), (692, 464480), (865, 371584), (1384, 232240), (1730, 185792), (2768, 116120), (2903, 110720), (3460, 92896), (5536, 58060), (5806, 55360), (6920, 46448), (11072, 29030), (11612, 27680), (13840, 23224), (14515, 22144)]