248241280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{55411}}^1$

素因数の和:55437

約数の個数: 64

約数和(自身を含む): 678242880

約数和(自身を除く): 430001600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 55411, 110822, 221644, 277055, 387877, 443288, 554110, 775754, 886576, 1108220, 1551508, 1773152, 1939385, 2216440, 3103016, 3546304, 3878770, 4432880, 6206032, 7092608, 7757540, 8865760, 12412064, 15515080, 17731520, 24824128, 31030160, 35463040, 49648256, 62060320, 124120640, 248241280]

約数ペア:

[(1, 248241280), (2, 124120640), (4, 62060320), (5, 49648256), (7, 35463040), (8, 31030160), (10, 24824128), (14, 17731520), (16, 15515080), (20, 12412064), (28, 8865760), (32, 7757540), (35, 7092608), (40, 6206032), (56, 4432880), (64, 3878770), (70, 3546304), (80, 3103016), (112, 2216440), (128, 1939385), (140, 1773152), (160, 1551508), (224, 1108220), (280, 886576), (320, 775754), (448, 554110), (560, 443288), (640, 387877), (896, 277055), (1120, 221644), (2240, 110822), (4480, 55411)]