81404280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{226123}}^1$

素因数の和:226140

約数の個数: 48

約数和(自身を含む): 264565080

約数和(自身を除く): 183160800

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, 226123, 452246, 678369, 904492, 1130615, 1356738, 1808984, 2035107, 2261230, 2713476, 3391845, 4070214, 4522460, 5426952, 6783690, 8140428, 9044920, 10175535, 13567380, 16280856, 20351070, 27134760, 40702140, 81404280]

約数ペア:

[(1, 81404280), (2, 40702140), (3, 27134760), (4, 20351070), (5, 16280856), (6, 13567380), (8, 10175535), (9, 9044920), (10, 8140428), (12, 6783690), (15, 5426952), (18, 4522460), (20, 4070214), (24, 3391845), (30, 2713476), (36, 2261230), (40, 2035107), (45, 1808984), (60, 1356738), (72, 1130615), (90, 904492), (120, 678369), (180, 452246), (360, 226123)]