8280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1$

素因数の和:40

約数の個数: 48

約数和(自身を含む): 28080

約数和(自身を除く): 19800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280]

約数ペア:

[(1, 8280), (2, 4140), (3, 2760), (4, 2070), (5, 1656), (6, 1380), (8, 1035), (9, 920), (10, 828), (12, 690), (15, 552), (18, 460), (20, 414), (23, 360), (24, 345), (30, 276), (36, 230), (40, 207), (45, 184), (46, 180), (60, 138), (69, 120), (72, 115), (90, 92)]