640110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 1618560

約数和(自身を除く): 978450

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 1123, 2246, 3369, 5615, 6738, 11230, 16845, 21337, 33690, 42674, 64011, 106685, 128022, 213370, 320055, 640110]

約数ペア:

[(1, 640110), (2, 320055), (3, 213370), (5, 128022), (6, 106685), (10, 64011), (15, 42674), (19, 33690), (30, 21337), (38, 16845), (57, 11230), (95, 6738), (114, 5615), (190, 3369), (285, 2246), (570, 1123)]