19991760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83299}}^1$

素因数の和:83315

約数の個数: 40

約数和(自身を含む): 61975200

約数和(自身を除く): 41983440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 83299, 166598, 249897, 333196, 416495, 499794, 666392, 832990, 999588, 1249485, 1332784, 1665980, 1999176, 2498970, 3331960, 3998352, 4997940, 6663920, 9995880, 19991760]

約数ペア:

[(1, 19991760), (2, 9995880), (3, 6663920), (4, 4997940), (5, 3998352), (6, 3331960), (8, 2498970), (10, 1999176), (12, 1665980), (15, 1332784), (16, 1249485), (20, 999588), (24, 832990), (30, 666392), (40, 499794), (48, 416495), (60, 333196), (80, 249897), (120, 166598), (240, 83299)]