19799760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82499}}^1$

素因数の和:82515

約数の個数: 40

約数和(自身を含む): 61380000

約数和(自身を除く): 41580240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82499, 164998, 247497, 329996, 412495, 494994, 659992, 824990, 989988, 1237485, 1319984, 1649980, 1979976, 2474970, 3299960, 3959952, 4949940, 6599920, 9899880, 19799760]

約数ペア:

[(1, 19799760), (2, 9899880), (3, 6599920), (4, 4949940), (5, 3959952), (6, 3299960), (8, 2474970), (10, 1979976), (12, 1649980), (15, 1319984), (16, 1237485), (20, 989988), (24, 824990), (30, 659992), (40, 494994), (48, 412495), (60, 329996), (80, 247497), (120, 164998), (240, 82499)]