639472848

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{719}}^1\times {\mathrm{2647}}^1$

素因数の和:3384

約数の個数: 80

約数和(自身を含む): 1891307520

約数和(自身を除く): 1251834672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 719, 1438, 2157, 2647, 2876, 4314, 5033, 5294, 5752, 7941, 8628, 10066, 10588, 11504, 15099, 15882, 17256, 18529, 20132, 21176, 30198, 31764, 34512, 37058, 40264, 42352, 55587, 60396, 63528, 74116, 80528, 111174, 120792, 127056, 148232, 222348, 241584, 296464, 444696, 889392, 1903193, 3806386, 5709579, 7612772, 11419158, 13322351, 15225544, 22838316, 26644702, 30451088, 39967053, 45676632, 53289404, 79934106, 91353264, 106578808, 159868212, 213157616, 319736424, 639472848]

約数ペア:

[(1, 639472848), (2, 319736424), (3, 213157616), (4, 159868212), (6, 106578808), (7, 91353264), (8, 79934106), (12, 53289404), (14, 45676632), (16, 39967053), (21, 30451088), (24, 26644702), (28, 22838316), (42, 15225544), (48, 13322351), (56, 11419158), (84, 7612772), (112, 5709579), (168, 3806386), (336, 1903193), (719, 889392), (1438, 444696), (2157, 296464), (2647, 241584), (2876, 222348), (4314, 148232), (5033, 127056), (5294, 120792), (5752, 111174), (7941, 80528), (8628, 74116), (10066, 63528), (10588, 60396), (11504, 55587), (15099, 42352), (15882, 40264), (17256, 37058), (18529, 34512), (20132, 31764), (21176, 30198)]