78989640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{658247}}^1$

素因数の和:658261

約数の個数: 32

約数和(自身を含む): 236969280

約数和(自身を除く): 157979640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 658247, 1316494, 1974741, 2632988, 3291235, 3949482, 5265976, 6582470, 7898964, 9873705, 13164940, 15797928, 19747410, 26329880, 39494820, 78989640]

約数ペア:

[(1, 78989640), (2, 39494820), (3, 26329880), (4, 19747410), (5, 15797928), (6, 13164940), (8, 9873705), (10, 7898964), (12, 6582470), (15, 5265976), (20, 3949482), (24, 3291235), (30, 2632988), (40, 1974741), (60, 1316494), (120, 658247)]