641271360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{667991}}^1$

素因数の和:668011

約数の個数: 56

約数和(自身を含む): 2036039616

約数和(自身を除く): 1394768256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 667991, 1335982, 2003973, 2671964, 3339955, 4007946, 5343928, 6679910, 8015892, 10019865, 10687856, 13359820, 16031784, 20039730, 21375712, 26719640, 32063568, 40079460, 42751424, 53439280, 64127136, 80158920, 106878560, 128254272, 160317840, 213757120, 320635680, 641271360]

約数ペア:

[(1, 641271360), (2, 320635680), (3, 213757120), (4, 160317840), (5, 128254272), (6, 106878560), (8, 80158920), (10, 64127136), (12, 53439280), (15, 42751424), (16, 40079460), (20, 32063568), (24, 26719640), (30, 21375712), (32, 20039730), (40, 16031784), (48, 13359820), (60, 10687856), (64, 10019865), (80, 8015892), (96, 6679910), (120, 5343928), (160, 4007946), (192, 3339955), (240, 2671964), (320, 2003973), (480, 1335982), (960, 667991)]