80341240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1091}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 207567360

約数和(自身を除く): 127226120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 1052, 1091, 1315, 1841, 2104, 2182, 2630, 3682, 4364, 5260, 5455, 7364, 7637, 8728, 9205, 10520, 10910, 14728, 15274, 18410, 21820, 30548, 36820, 38185, 43640, 61096, 73640, 76370, 152740, 286933, 305480, 573866, 1147732, 1434665, 2008531, 2295464, 2869330, 4017062, 5738660, 8034124, 10042655, 11477320, 16068248, 20085310, 40170620, 80341240]

約数ペア:

[(1, 80341240), (2, 40170620), (4, 20085310), (5, 16068248), (7, 11477320), (8, 10042655), (10, 8034124), (14, 5738660), (20, 4017062), (28, 2869330), (35, 2295464), (40, 2008531), (56, 1434665), (70, 1147732), (140, 573866), (263, 305480), (280, 286933), (526, 152740), (1052, 76370), (1091, 73640), (1315, 61096), (1841, 43640), (2104, 38185), (2182, 36820), (2630, 30548), (3682, 21820), (4364, 18410), (5260, 15274), (5455, 14728), (7364, 10910), (7637, 10520), (8728, 9205)]