81410640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{339211}}^1$

素因数の和:339227

約数の個数: 40

約数和(自身を含む): 252373728

約数和(自身を除く): 170963088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 339211, 678422, 1017633, 1356844, 1696055, 2035266, 2713688, 3392110, 4070532, 5088165, 5427376, 6784220, 8141064, 10176330, 13568440, 16282128, 20352660, 27136880, 40705320, 81410640]

約数ペア:

[(1, 81410640), (2, 40705320), (3, 27136880), (4, 20352660), (5, 16282128), (6, 13568440), (8, 10176330), (10, 8141064), (12, 6784220), (15, 5427376), (16, 5088165), (20, 4070532), (24, 3392110), (30, 2713688), (40, 2035266), (48, 1696055), (60, 1356844), (80, 1017633), (120, 678422), (240, 339211)]