81291240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225809}}^1$

素因数の和:225826

約数の個数: 48

約数和(自身を含む): 264197700

約数和(自身を除く): 182906460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 225809, 451618, 677427, 903236, 1129045, 1354854, 1806472, 2032281, 2258090, 2709708, 3387135, 4064562, 4516180, 5419416, 6774270, 8129124, 9032360, 10161405, 13548540, 16258248, 20322810, 27097080, 40645620, 81291240]

約数ペア:

[(1, 81291240), (2, 40645620), (3, 27097080), (4, 20322810), (5, 16258248), (6, 13548540), (8, 10161405), (9, 9032360), (10, 8129124), (12, 6774270), (15, 5419416), (18, 4516180), (20, 4064562), (24, 3387135), (30, 2709708), (36, 2258090), (40, 2032281), (45, 1806472), (60, 1354854), (72, 1129045), (90, 903236), (120, 677427), (180, 451618), (360, 225809)]