315128560

素因数分解:

$2^4\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{2543}}^1$

素因数の和:4105

約数の個数: 40

約数和(自身を含む): 733435200

約数和(自身を除く): 418306640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1549, 2543, 3098, 5086, 6196, 7745, 10172, 12392, 12715, 15490, 20344, 24784, 25430, 30980, 40688, 50860, 61960, 101720, 123920, 203440, 3939107, 7878214, 15756428, 19695535, 31512856, 39391070, 63025712, 78782140, 157564280, 315128560]

約数ペア:

[(1, 315128560), (2, 157564280), (4, 78782140), (5, 63025712), (8, 39391070), (10, 31512856), (16, 19695535), (20, 15756428), (40, 7878214), (80, 3939107), (1549, 203440), (2543, 123920), (3098, 101720), (5086, 61960), (6196, 50860), (7745, 40688), (10172, 30980), (12392, 25430), (12715, 24784), (15490, 20344)]