16720680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139339}}^1$

素因数の和:139353

約数の個数: 32

約数和(自身を含む): 50162400

約数和(自身を除く): 33441720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139339, 278678, 418017, 557356, 696695, 836034, 1114712, 1393390, 1672068, 2090085, 2786780, 3344136, 4180170, 5573560, 8360340, 16720680]

約数ペア:

[(1, 16720680), (2, 8360340), (3, 5573560), (4, 4180170), (5, 3344136), (6, 2786780), (8, 2090085), (10, 1672068), (12, 1393390), (15, 1114712), (20, 836034), (24, 696695), (30, 557356), (40, 418017), (60, 278678), (120, 139339)]