15203870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 30209760

約数和(自身を除く): 15005890

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1553, 1958, 3106, 4895, 7765, 9790, 15530, 17083, 34166, 85415, 138217, 170830, 276434, 691085, 1382170, 1520387, 3040774, 7601935, 15203870]

約数ペア:

[(1, 15203870), (2, 7601935), (5, 3040774), (10, 1520387), (11, 1382170), (22, 691085), (55, 276434), (89, 170830), (110, 138217), (178, 85415), (445, 34166), (890, 17083), (979, 15530), (1553, 9790), (1958, 7765), (3106, 4895)]