161399760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{672499}}^1$

素因数の和:672515

約数の個数: 40

約数和(自身を含む): 500340000

約数和(自身を除く): 338940240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 672499, 1344998, 2017497, 2689996, 3362495, 4034994, 5379992, 6724990, 8069988, 10087485, 10759984, 13449980, 16139976, 20174970, 26899960, 32279952, 40349940, 53799920, 80699880, 161399760]

約数ペア:

[(1, 161399760), (2, 80699880), (3, 53799920), (4, 40349940), (5, 32279952), (6, 26899960), (8, 20174970), (10, 16139976), (12, 13449980), (15, 10759984), (16, 10087485), (20, 8069988), (24, 6724990), (30, 5379992), (40, 4034994), (48, 3362495), (60, 2689996), (80, 2017497), (120, 1344998), (240, 672499)]