280840860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1560227}}^1$

素因数の和:1560242

約数の個数: 36

約数和(自身を含む): 851884488

約数和(自身を除く): 571043628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1560227, 3120454, 4680681, 6240908, 7801135, 9361362, 14042043, 15602270, 18722724, 23403405, 28084086, 31204540, 46806810, 56168172, 70210215, 93613620, 140420430, 280840860]

約数ペア:

[(1, 280840860), (2, 140420430), (3, 93613620), (4, 70210215), (5, 56168172), (6, 46806810), (9, 31204540), (10, 28084086), (12, 23403405), (15, 18722724), (18, 15602270), (20, 14042043), (30, 9361362), (36, 7801135), (45, 6240908), (60, 4680681), (90, 3120454), (180, 1560227)]