769777720

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1\times {\mathrm{743}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 1767744000

約数和(自身を除く): 997966280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 439, 472, 590, 743, 878, 1180, 1486, 1756, 2195, 2360, 2972, 3512, 3715, 4390, 5944, 7430, 8780, 14860, 17560, 25901, 29720, 43837, 51802, 87674, 103604, 129505, 175348, 207208, 219185, 259010, 326177, 350696, 438370, 518020, 652354, 876740, 1036040, 1304708, 1630885, 1753480, 2609416, 3261770, 6523540, 13047080, 19244443, 38488886, 76977772, 96222215, 153955544, 192444430, 384888860, 769777720]

約数ペア:

[(1, 769777720), (2, 384888860), (4, 192444430), (5, 153955544), (8, 96222215), (10, 76977772), (20, 38488886), (40, 19244443), (59, 13047080), (118, 6523540), (236, 3261770), (295, 2609416), (439, 1753480), (472, 1630885), (590, 1304708), (743, 1036040), (878, 876740), (1180, 652354), (1486, 518020), (1756, 438370), (2195, 350696), (2360, 326177), (2972, 259010), (3512, 219185), (3715, 207208), (4390, 175348), (5944, 129505), (7430, 103604), (8780, 87674), (14860, 51802), (17560, 43837), (25901, 29720)]