15690140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1483}}^1$

素因数の和:1538

約数の個数: 36

約数和(自身を含む): 34467384

約数和(自身を除く): 18777244

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 1483, 2116, 2645, 2966, 5290, 5932, 7415, 10580, 14830, 29660, 34109, 68218, 136436, 170545, 341090, 682180, 784507, 1569014, 3138028, 3922535, 7845070, 15690140]

約数ペア:

[(1, 15690140), (2, 7845070), (4, 3922535), (5, 3138028), (10, 1569014), (20, 784507), (23, 682180), (46, 341090), (92, 170545), (115, 136436), (230, 68218), (460, 34109), (529, 29660), (1058, 14830), (1483, 10580), (2116, 7415), (2645, 5932), (2966, 5290)]