213757680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{890657}}^1$

素因数の和:890673

約数の個数: 40

約数和(自身を含む): 662649552

約数和(自身を除く): 448891872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 890657, 1781314, 2671971, 3562628, 4453285, 5343942, 7125256, 8906570, 10687884, 13359855, 14250512, 17813140, 21375768, 26719710, 35626280, 42751536, 53439420, 71252560, 106878840, 213757680]

約数ペア:

[(1, 213757680), (2, 106878840), (3, 71252560), (4, 53439420), (5, 42751536), (6, 35626280), (8, 26719710), (10, 21375768), (12, 17813140), (15, 14250512), (16, 13359855), (20, 10687884), (24, 8906570), (30, 7125256), (40, 5343942), (48, 4453285), (60, 3562628), (80, 2671971), (120, 1781314), (240, 890657)]