30899760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{128749}}^1$

素因数の和:128765

約数の個数: 40

約数和(自身を含む): 95790000

約数和(自身を除く): 64890240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 128749, 257498, 386247, 514996, 643745, 772494, 1029992, 1287490, 1544988, 1931235, 2059984, 2574980, 3089976, 3862470, 5149960, 6179952, 7724940, 10299920, 15449880, 30899760]

約数ペア:

[(1, 30899760), (2, 15449880), (3, 10299920), (4, 7724940), (5, 6179952), (6, 5149960), (8, 3862470), (10, 3089976), (12, 2574980), (15, 2059984), (16, 1931235), (20, 1544988), (24, 1287490), (30, 1029992), (40, 772494), (48, 643745), (60, 514996), (80, 386247), (120, 257498), (240, 128749)]