617280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{643}}^1$

素因数の和:663

約数の個数: 56

約数和(自身を含む): 1962912

約数和(自身を除く): 1345632

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, 643, 960, 1286, 1929, 2572, 3215, 3858, 5144, 6430, 7716, 9645, 10288, 12860, 15432, 19290, 20576, 25720, 30864, 38580, 41152, 51440, 61728, 77160, 102880, 123456, 154320, 205760, 308640, 617280]

約数ペア:

[(1, 617280), (2, 308640), (3, 205760), (4, 154320), (5, 123456), (6, 102880), (8, 77160), (10, 61728), (12, 51440), (15, 41152), (16, 38580), (20, 30864), (24, 25720), (30, 20576), (32, 19290), (40, 15432), (48, 12860), (60, 10288), (64, 9645), (80, 7716), (96, 6430), (120, 5144), (160, 3858), (192, 3215), (240, 2572), (320, 1929), (480, 1286), (643, 960)]