161267280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{671947}}^1$

素因数の和:671963

約数の個数: 40

約数和(自身を含む): 499929312

約数和(自身を除く): 338662032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 671947, 1343894, 2015841, 2687788, 3359735, 4031682, 5375576, 6719470, 8063364, 10079205, 10751152, 13438940, 16126728, 20158410, 26877880, 32253456, 40316820, 53755760, 80633640, 161267280]

約数ペア:

[(1, 161267280), (2, 80633640), (3, 53755760), (4, 40316820), (5, 32253456), (6, 26877880), (8, 20158410), (10, 16126728), (12, 13438940), (15, 10751152), (16, 10079205), (20, 8063364), (24, 6719470), (30, 5375576), (40, 4031682), (48, 3359735), (60, 2687788), (80, 2015841), (120, 1343894), (240, 671947)]