80675820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{448199}}^1$

素因数の和:448214

約数の個数: 36

約数和(自身を含む): 244717200

約数和(自身を除く): 164041380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 448199, 896398, 1344597, 1792796, 2240995, 2689194, 4033791, 4481990, 5378388, 6722985, 8067582, 8963980, 13445970, 16135164, 20168955, 26891940, 40337910, 80675820]

約数ペア:

[(1, 80675820), (2, 40337910), (3, 26891940), (4, 20168955), (5, 16135164), (6, 13445970), (9, 8963980), (10, 8067582), (12, 6722985), (15, 5378388), (18, 4481990), (20, 4033791), (30, 2689194), (36, 2240995), (45, 1792796), (60, 1344597), (90, 896398), (180, 448199)]