1292800

素因数分解:

$2^9\times 5^2\times {\mathrm{101}}^1$

素因数の和:129

約数の個数: 60

約数和(自身を含む): 3234726

約数和(自身を除く): 1941926

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 101, 128, 160, 200, 202, 256, 320, 400, 404, 505, 512, 640, 800, 808, 1010, 1280, 1600, 1616, 2020, 2525, 2560, 3200, 3232, 4040, 5050, 6400, 6464, 8080, 10100, 12800, 12928, 16160, 20200, 25856, 32320, 40400, 51712, 64640, 80800, 129280, 161600, 258560, 323200, 646400, 1292800]

約数ペア:

[(1, 1292800), (2, 646400), (4, 323200), (5, 258560), (8, 161600), (10, 129280), (16, 80800), (20, 64640), (25, 51712), (32, 40400), (40, 32320), (50, 25856), (64, 20200), (80, 16160), (100, 12928), (101, 12800), (128, 10100), (160, 8080), (200, 6464), (202, 6400), (256, 5050), (320, 4040), (400, 3232), (404, 3200), (505, 2560), (512, 2525), (640, 2020), (800, 1616), (808, 1600), (1010, 1280)]