80340075

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{18793}}^1$

素因数の和:18828

約数の個数: 36

約数和(自身を含む): 151479640

約数和(自身を除く): 71139565

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 18793, 56379, 93965, 169137, 281895, 357067, 469825, 845685, 1071201, 1409475, 1785335, 3213603, 4228425, 5356005, 8926675, 16068015, 26780025, 80340075]

約数ペア:

[(1, 80340075), (3, 26780025), (5, 16068015), (9, 8926675), (15, 5356005), (19, 4228425), (25, 3213603), (45, 1785335), (57, 1409475), (75, 1071201), (95, 845685), (171, 469825), (225, 357067), (285, 281895), (475, 169137), (855, 93965), (1425, 56379), (4275, 18793)]