81591960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{679933}}^1$

素因数の和:679947

約数の個数: 32

約数和(自身を含む): 244776240

約数和(自身を除く): 163184280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 679933, 1359866, 2039799, 2719732, 3399665, 4079598, 5439464, 6799330, 8159196, 10198995, 13598660, 16318392, 20397990, 27197320, 40795980, 81591960]

約数ペア:

[(1, 81591960), (2, 40795980), (3, 27197320), (4, 20397990), (5, 16318392), (6, 13598660), (8, 10198995), (10, 8159196), (12, 6799330), (15, 5439464), (20, 4079598), (24, 3399665), (30, 2719732), (40, 2039799), (60, 1359866), (120, 679933)]