121142720

素因数分解:

$2^6\times 5^1\times {\mathrm{378571}}^1$

素因数の和:378588

約数の個数: 28

約数和(自身を含む): 288471864

約数和(自身を除く): 167329144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 378571, 757142, 1514284, 1892855, 3028568, 3785710, 6057136, 7571420, 12114272, 15142840, 24228544, 30285680, 60571360, 121142720]

約数ペア:

[(1, 121142720), (2, 60571360), (4, 30285680), (5, 24228544), (8, 15142840), (10, 12114272), (16, 7571420), (20, 6057136), (32, 3785710), (40, 3028568), (64, 1892855), (80, 1514284), (160, 757142), (320, 378571)]