19972560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83219}}^1$

素因数の和:83235

約数の個数: 40

約数和(自身を含む): 61915680

約数和(自身を除く): 41943120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 83219, 166438, 249657, 332876, 416095, 499314, 665752, 832190, 998628, 1248285, 1331504, 1664380, 1997256, 2496570, 3328760, 3994512, 4993140, 6657520, 9986280, 19972560]

約数ペア:

[(1, 19972560), (2, 9986280), (3, 6657520), (4, 4993140), (5, 3994512), (6, 3328760), (8, 2496570), (10, 1997256), (12, 1664380), (15, 1331504), (16, 1248285), (20, 998628), (24, 832190), (30, 665752), (40, 499314), (48, 416095), (60, 332876), (80, 249657), (120, 166438), (240, 83219)]