309360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1289}}^1$

素因数の和:1305

約数の個数: 40

約数和(自身を含む): 959760

約数和(自身を除く): 650400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1289, 2578, 3867, 5156, 6445, 7734, 10312, 12890, 15468, 19335, 20624, 25780, 30936, 38670, 51560, 61872, 77340, 103120, 154680, 309360]

約数ペア:

[(1, 309360), (2, 154680), (3, 103120), (4, 77340), (5, 61872), (6, 51560), (8, 38670), (10, 30936), (12, 25780), (15, 20624), (16, 19335), (20, 15468), (24, 12890), (30, 10312), (40, 7734), (48, 6445), (60, 5156), (80, 3867), (120, 2578), (240, 1289)]