1299000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{433}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 4062240

約数和(自身を除く): 2763240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 433, 500, 600, 750, 866, 1000, 1299, 1500, 1732, 2165, 2598, 3000, 3464, 4330, 5196, 6495, 8660, 10392, 10825, 12990, 17320, 21650, 25980, 32475, 43300, 51960, 54125, 64950, 86600, 108250, 129900, 162375, 216500, 259800, 324750, 433000, 649500, 1299000]

約数ペア:

[(1, 1299000), (2, 649500), (3, 433000), (4, 324750), (5, 259800), (6, 216500), (8, 162375), (10, 129900), (12, 108250), (15, 86600), (20, 64950), (24, 54125), (25, 51960), (30, 43300), (40, 32475), (50, 25980), (60, 21650), (75, 17320), (100, 12990), (120, 10825), (125, 10392), (150, 8660), (200, 6495), (250, 5196), (300, 4330), (375, 3464), (433, 3000), (500, 2598), (600, 2165), (750, 1732), (866, 1500), (1000, 1299)]