81357744

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{541}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 227700704

約数和(自身を除く): 146342960

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 241, 312, 482, 541, 624, 723, 964, 1082, 1446, 1623, 1928, 2164, 2892, 3133, 3246, 3856, 4328, 5784, 6266, 6492, 7033, 8656, 9399, 11568, 12532, 12984, 14066, 18798, 21099, 25064, 25968, 28132, 37596, 42198, 50128, 56264, 75192, 84396, 112528, 130381, 150384, 168792, 260762, 337584, 391143, 521524, 782286, 1043048, 1564572, 1694953, 2086096, 3129144, 3389906, 5084859, 6258288, 6779812, 10169718, 13559624, 20339436, 27119248, 40678872, 81357744]

約数ペア:

[(1, 81357744), (2, 40678872), (3, 27119248), (4, 20339436), (6, 13559624), (8, 10169718), (12, 6779812), (13, 6258288), (16, 5084859), (24, 3389906), (26, 3129144), (39, 2086096), (48, 1694953), (52, 1564572), (78, 1043048), (104, 782286), (156, 521524), (208, 391143), (241, 337584), (312, 260762), (482, 168792), (541, 150384), (624, 130381), (723, 112528), (964, 84396), (1082, 75192), (1446, 56264), (1623, 50128), (1928, 42198), (2164, 37596), (2892, 28132), (3133, 25968), (3246, 25064), (3856, 21099), (4328, 18798), (5784, 14066), (6266, 12984), (6492, 12532), (7033, 11568), (8656, 9399)]