161279760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{671999}}^1$

素因数の和:672015

約数の個数: 40

約数和(自身を含む): 499968000

約数和(自身を除く): 338688240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 671999, 1343998, 2015997, 2687996, 3359995, 4031994, 5375992, 6719990, 8063988, 10079985, 10751984, 13439980, 16127976, 20159970, 26879960, 32255952, 40319940, 53759920, 80639880, 161279760]

約数ペア:

[(1, 161279760), (2, 80639880), (3, 53759920), (4, 40319940), (5, 32255952), (6, 26879960), (8, 20159970), (10, 16127976), (12, 13439980), (15, 10751984), (16, 10079985), (20, 8063988), (24, 6719990), (30, 5375992), (40, 4031994), (48, 3359995), (60, 2687996), (80, 2015997), (120, 1343998), (240, 671999)]