157979280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{658247}}^1$

素因数の和:658263

約数の個数: 40

約数和(自身を含む): 489736512

約数和(自身を除く): 331757232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 658247, 1316494, 1974741, 2632988, 3291235, 3949482, 5265976, 6582470, 7898964, 9873705, 10531952, 13164940, 15797928, 19747410, 26329880, 31595856, 39494820, 52659760, 78989640, 157979280]

約数ペア:

[(1, 157979280), (2, 78989640), (3, 52659760), (4, 39494820), (5, 31595856), (6, 26329880), (8, 19747410), (10, 15797928), (12, 13164940), (15, 10531952), (16, 9873705), (20, 7898964), (24, 6582470), (30, 5265976), (40, 3949482), (48, 3291235), (60, 2632988), (80, 1974741), (120, 1316494), (240, 658247)]