15873220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3137}}^1$

素因数の和:3180

約数の個数: 48

約数和(自身を含む): 37957248

約数和(自身を除く): 22084028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 3137, 5060, 6274, 12548, 15685, 31370, 34507, 62740, 69014, 72151, 138028, 144302, 172535, 288604, 345070, 360755, 690140, 721510, 793661, 1443020, 1587322, 3174644, 3968305, 7936610, 15873220]

約数ペア:

[(1, 15873220), (2, 7936610), (4, 3968305), (5, 3174644), (10, 1587322), (11, 1443020), (20, 793661), (22, 721510), (23, 690140), (44, 360755), (46, 345070), (55, 288604), (92, 172535), (110, 144302), (115, 138028), (220, 72151), (230, 69014), (253, 62740), (460, 34507), (506, 31370), (1012, 15685), (1265, 12548), (2530, 6274), (3137, 5060)]