68409640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{449}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 166698000

約数和(自身を除く): 98288360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 293, 449, 520, 586, 898, 1172, 1465, 1796, 2245, 2344, 2930, 3592, 3809, 4490, 5837, 5860, 7618, 8980, 11674, 11720, 15236, 17960, 19045, 23348, 29185, 30472, 38090, 46696, 58370, 76180, 116740, 131557, 152360, 233480, 263114, 526228, 657785, 1052456, 1315570, 1710241, 2631140, 3420482, 5262280, 6840964, 8551205, 13681928, 17102410, 34204820, 68409640]

約数ペア:

[(1, 68409640), (2, 34204820), (4, 17102410), (5, 13681928), (8, 8551205), (10, 6840964), (13, 5262280), (20, 3420482), (26, 2631140), (40, 1710241), (52, 1315570), (65, 1052456), (104, 657785), (130, 526228), (260, 263114), (293, 233480), (449, 152360), (520, 131557), (586, 116740), (898, 76180), (1172, 58370), (1465, 46696), (1796, 38090), (2245, 30472), (2344, 29185), (2930, 23348), (3592, 19045), (3809, 17960), (4490, 15236), (5837, 11720), (5860, 11674), (7618, 8980)]