1329536960

素因数分解:

$2^6\times 5^1\times {\mathrm{251}}^1\times {\mathrm{16553}}^1$

素因数の和:16821

約数の個数: 56

約数和(自身を含む): 3178765296

約数和(自身を除く): 1849228336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 251, 320, 502, 1004, 1255, 2008, 2510, 4016, 5020, 8032, 10040, 16064, 16553, 20080, 33106, 40160, 66212, 80320, 82765, 132424, 165530, 264848, 331060, 529696, 662120, 1059392, 1324240, 2648480, 4154803, 5296960, 8309606, 16619212, 20774015, 33238424, 41548030, 66476848, 83096060, 132953696, 166192120, 265907392, 332384240, 664768480, 1329536960]

約数ペア:

[(1, 1329536960), (2, 664768480), (4, 332384240), (5, 265907392), (8, 166192120), (10, 132953696), (16, 83096060), (20, 66476848), (32, 41548030), (40, 33238424), (64, 20774015), (80, 16619212), (160, 8309606), (251, 5296960), (320, 4154803), (502, 2648480), (1004, 1324240), (1255, 1059392), (2008, 662120), (2510, 529696), (4016, 331060), (5020, 264848), (8032, 165530), (10040, 132424), (16064, 82765), (16553, 80320), (20080, 66212), (33106, 40160)]