1278470256

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{122741}}^1$

素因数の和:122790

約数の個数: 80

約数和(自身を含む): 3896322048

約数和(自身を除く): 2617851792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2604, 3472, 5208, 10416, 122741, 245482, 368223, 490964, 736446, 859187, 981928, 1472892, 1718374, 1963856, 2577561, 2945784, 3436748, 3804971, 5155122, 5891568, 6873496, 7609942, 10310244, 11414913, 13746992, 15219884, 20620488, 22829826, 26634797, 30439768, 41240976, 45659652, 53269594, 60879536, 79904391, 91319304, 106539188, 159808782, 182638608, 213078376, 319617564, 426156752, 639235128, 1278470256]

約数ペア:

[(1, 1278470256), (2, 639235128), (3, 426156752), (4, 319617564), (6, 213078376), (7, 182638608), (8, 159808782), (12, 106539188), (14, 91319304), (16, 79904391), (21, 60879536), (24, 53269594), (28, 45659652), (31, 41240976), (42, 30439768), (48, 26634797), (56, 22829826), (62, 20620488), (84, 15219884), (93, 13746992), (112, 11414913), (124, 10310244), (168, 7609942), (186, 6873496), (217, 5891568), (248, 5155122), (336, 3804971), (372, 3436748), (434, 2945784), (496, 2577561), (651, 1963856), (744, 1718374), (868, 1472892), (1302, 981928), (1488, 859187), (1736, 736446), (2604, 490964), (3472, 368223), (5208, 245482), (10416, 122741)]