78809520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{328373}}^1$

素因数の和:328389

約数の個数: 40

約数和(自身を含む): 244310256

約数和(自身を除く): 165500736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 328373, 656746, 985119, 1313492, 1641865, 1970238, 2626984, 3283730, 3940476, 4925595, 5253968, 6567460, 7880952, 9851190, 13134920, 15761904, 19702380, 26269840, 39404760, 78809520]

約数ペア:

[(1, 78809520), (2, 39404760), (3, 26269840), (4, 19702380), (5, 15761904), (6, 13134920), (8, 9851190), (10, 7880952), (12, 6567460), (15, 5253968), (16, 4925595), (20, 3940476), (24, 3283730), (30, 2626984), (40, 1970238), (48, 1641865), (60, 1313492), (80, 985119), (120, 656746), (240, 328373)]