161455280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{288313}}^1$

素因数の和:288333

約数の個数: 40

約数和(自身を含む): 429011232

約数和(自身を除く): 267555952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 288313, 576626, 1153252, 1441565, 2018191, 2306504, 2883130, 4036382, 4613008, 5766260, 8072764, 10090955, 11532520, 16145528, 20181910, 23065040, 32291056, 40363820, 80727640, 161455280]

約数ペア:

[(1, 161455280), (2, 80727640), (4, 40363820), (5, 32291056), (7, 23065040), (8, 20181910), (10, 16145528), (14, 11532520), (16, 10090955), (20, 8072764), (28, 5766260), (35, 4613008), (40, 4036382), (56, 2883130), (70, 2306504), (80, 2018191), (112, 1441565), (140, 1153252), (280, 576626), (560, 288313)]