80665020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{448139}}^1$

素因数の和:448154

約数の個数: 36

約数和(自身を含む): 244684440

約数和(自身を除く): 164019420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 448139, 896278, 1344417, 1792556, 2240695, 2688834, 4033251, 4481390, 5377668, 6722085, 8066502, 8962780, 13444170, 16133004, 20166255, 26888340, 40332510, 80665020]

約数ペア:

[(1, 80665020), (2, 40332510), (3, 26888340), (4, 20166255), (5, 16133004), (6, 13444170), (9, 8962780), (10, 8066502), (12, 6722085), (15, 5377668), (18, 4481390), (20, 4033251), (30, 2688834), (36, 2240695), (45, 1792556), (60, 1344417), (90, 896278), (180, 448139)]