15381740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 35562240

約数和(自身を除く): 20180500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 503, 556, 695, 1006, 1390, 1529, 2012, 2515, 2780, 3058, 5030, 5533, 6116, 7645, 10060, 11066, 15290, 22132, 27665, 30580, 55330, 69917, 110660, 139834, 279668, 349585, 699170, 769087, 1398340, 1538174, 3076348, 3845435, 7690870, 15381740]

約数ペア:

[(1, 15381740), (2, 7690870), (4, 3845435), (5, 3076348), (10, 1538174), (11, 1398340), (20, 769087), (22, 699170), (44, 349585), (55, 279668), (110, 139834), (139, 110660), (220, 69917), (278, 55330), (503, 30580), (556, 27665), (695, 22132), (1006, 15290), (1390, 11066), (1529, 10060), (2012, 7645), (2515, 6116), (2780, 5533), (3058, 5030)]