78628590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{291217}}^1$

素因数の和:291233

約数の個数: 32

約数和(自身を含む): 209676960

約数和(自身を除く): 131048370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 291217, 582434, 873651, 1456085, 1747302, 2620953, 2912170, 4368255, 5241906, 7862859, 8736510, 13104765, 15725718, 26209530, 39314295, 78628590]

約数ペア:

[(1, 78628590), (2, 39314295), (3, 26209530), (5, 15725718), (6, 13104765), (9, 8736510), (10, 7862859), (15, 5241906), (18, 4368255), (27, 2912170), (30, 2620953), (45, 1747302), (54, 1456085), (90, 873651), (135, 582434), (270, 291217)]