308640

素因数分解:

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

素因数の和:661

約数の個数: 48

約数和(自身を含む): 973728

約数和(自身を除く): 665088

約数列:

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

約数ペア:

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