81462870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{905143}}^1$

素因数の和:905156

約数の個数: 24

約数和(自身を含む): 211803696

約数和(自身を除く): 130340826

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 905143, 1810286, 2715429, 4525715, 5430858, 8146287, 9051430, 13577145, 16292574, 27154290, 40731435, 81462870]

約数ペア:

[(1, 81462870), (2, 40731435), (3, 27154290), (5, 16292574), (6, 13577145), (9, 9051430), (10, 8146287), (15, 5430858), (18, 4525715), (30, 2715429), (45, 1810286), (90, 905143)]