256530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 653184

約数和(自身を除く): 396654

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 503, 510, 1006, 1509, 2515, 3018, 5030, 7545, 8551, 15090, 17102, 25653, 42755, 51306, 85510, 128265, 256530]

約数ペア:

[(1, 256530), (2, 128265), (3, 85510), (5, 51306), (6, 42755), (10, 25653), (15, 17102), (17, 15090), (30, 8551), (34, 7545), (51, 5030), (85, 3018), (102, 2515), (170, 1509), (255, 1006), (503, 510)]