161258640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{671911}}^1$

素因数の和:671927

約数の個数: 40

約数和(自身を含む): 499902528

約数和(自身を除く): 338643888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 671911, 1343822, 2015733, 2687644, 3359555, 4031466, 5375288, 6719110, 8062932, 10078665, 10750576, 13438220, 16125864, 20157330, 26876440, 32251728, 40314660, 53752880, 80629320, 161258640]

約数ペア:

[(1, 161258640), (2, 80629320), (3, 53752880), (4, 40314660), (5, 32251728), (6, 26876440), (8, 20157330), (10, 16125864), (12, 13438220), (15, 10750576), (16, 10078665), (20, 8062932), (24, 6719110), (30, 5375288), (40, 4031466), (48, 3359555), (60, 2687644), (80, 2015733), (120, 1343822), (240, 671911)]