18719760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{77999}}^1$

素因数の和:78015

約数の個数: 40

約数和(自身を含む): 58032000

約数和(自身を除く): 39312240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 77999, 155998, 233997, 311996, 389995, 467994, 623992, 779990, 935988, 1169985, 1247984, 1559980, 1871976, 2339970, 3119960, 3743952, 4679940, 6239920, 9359880, 18719760]

約数ペア:

[(1, 18719760), (2, 9359880), (3, 6239920), (4, 4679940), (5, 3743952), (6, 3119960), (8, 2339970), (10, 1871976), (12, 1559980), (15, 1247984), (16, 1169985), (20, 935988), (24, 779990), (30, 623992), (40, 467994), (48, 389995), (60, 311996), (80, 233997), (120, 155998), (240, 77999)]