51456780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{285871}}^1$

素因数の和:285886

約数の個数: 36

約数和(自身を含む): 156086112

約数和(自身を除く): 104629332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 285871, 571742, 857613, 1143484, 1429355, 1715226, 2572839, 2858710, 3430452, 4288065, 5145678, 5717420, 8576130, 10291356, 12864195, 17152260, 25728390, 51456780]

約数ペア:

[(1, 51456780), (2, 25728390), (3, 17152260), (4, 12864195), (5, 10291356), (6, 8576130), (9, 5717420), (10, 5145678), (12, 4288065), (15, 3430452), (18, 2858710), (20, 2572839), (30, 1715226), (36, 1429355), (45, 1143484), (60, 857613), (90, 571742), (180, 285871)]