64878760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{743}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 152668800

約数和(自身を除く): 87790040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 59, 74, 118, 148, 185, 236, 295, 296, 370, 472, 590, 740, 743, 1180, 1480, 1486, 2183, 2360, 2972, 3715, 4366, 5944, 7430, 8732, 10915, 14860, 17464, 21830, 27491, 29720, 43660, 43837, 54982, 87320, 87674, 109964, 137455, 175348, 219185, 219928, 274910, 350696, 438370, 549820, 876740, 1099640, 1621969, 1753480, 3243938, 6487876, 8109845, 12975752, 16219690, 32439380, 64878760]

約数ペア:

[(1, 64878760), (2, 32439380), (4, 16219690), (5, 12975752), (8, 8109845), (10, 6487876), (20, 3243938), (37, 1753480), (40, 1621969), (59, 1099640), (74, 876740), (118, 549820), (148, 438370), (185, 350696), (236, 274910), (295, 219928), (296, 219185), (370, 175348), (472, 137455), (590, 109964), (740, 87674), (743, 87320), (1180, 54982), (1480, 43837), (1486, 43660), (2183, 29720), (2360, 27491), (2972, 21830), (3715, 17464), (4366, 14860), (5944, 10915), (7430, 8732)]