404280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1123}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 1315080

約数和(自身を除く): 910800

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, 1123, 2246, 3369, 4492, 5615, 6738, 8984, 10107, 11230, 13476, 16845, 20214, 22460, 26952, 33690, 40428, 44920, 50535, 67380, 80856, 101070, 134760, 202140, 404280]

約数ペア:

[(1, 404280), (2, 202140), (3, 134760), (4, 101070), (5, 80856), (6, 67380), (8, 50535), (9, 44920), (10, 40428), (12, 33690), (15, 26952), (18, 22460), (20, 20214), (24, 16845), (30, 13476), (36, 11230), (40, 10107), (45, 8984), (60, 6738), (72, 5615), (90, 4492), (120, 3369), (180, 2246), (360, 1123)]