15668980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1481}}^1$

素因数の和:1536

約数の個数: 36

約数和(自身を含む): 34420932

約数和(自身を除く): 18751952

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 1481, 2116, 2645, 2962, 5290, 5924, 7405, 10580, 14810, 29620, 34063, 68126, 136252, 170315, 340630, 681260, 783449, 1566898, 3133796, 3917245, 7834490, 15668980]

約数ペア:

[(1, 15668980), (2, 7834490), (4, 3917245), (5, 3133796), (10, 1566898), (20, 783449), (23, 681260), (46, 340630), (92, 170315), (115, 136252), (230, 68126), (460, 34063), (529, 29620), (1058, 14810), (1481, 10580), (2116, 7405), (2645, 5924), (2962, 5290)]