279963792

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:421

約数の個数: 120

約数和(自身を含む): 804323520

約数和(自身を除く): 524359728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 139, 142, 144, 197, 213, 278, 284, 394, 417, 426, 556, 568, 591, 639, 788, 834, 852, 1112, 1136, 1182, 1251, 1278, 1576, 1668, 1704, 1773, 2224, 2364, 2502, 2556, 3152, 3336, 3408, 3546, 4728, 5004, 5112, 6672, 7092, 9456, 9869, 10008, 10224, 13987, 14184, 19738, 20016, 27383, 27974, 28368, 29607, 39476, 41961, 54766, 55948, 59214, 78952, 82149, 83922, 88821, 109532, 111896, 118428, 125883, 157904, 164298, 167844, 177642, 219064, 223792, 236856, 246447, 251766, 328596, 335688, 355284, 438128, 473712, 492894, 503532, 657192, 671376, 710568, 985788, 1007064, 1314384, 1421136, 1944193, 1971576, 2014128, 3888386, 3943152, 5832579, 7776772, 11665158, 15553544, 17497737, 23330316, 31107088, 34995474, 46660632, 69990948, 93321264, 139981896, 279963792]

約数ペア:

[(1, 279963792), (2, 139981896), (3, 93321264), (4, 69990948), (6, 46660632), (8, 34995474), (9, 31107088), (12, 23330316), (16, 17497737), (18, 15553544), (24, 11665158), (36, 7776772), (48, 5832579), (71, 3943152), (72, 3888386), (139, 2014128), (142, 1971576), (144, 1944193), (197, 1421136), (213, 1314384), (278, 1007064), (284, 985788), (394, 710568), (417, 671376), (426, 657192), (556, 503532), (568, 492894), (591, 473712), (639, 438128), (788, 355284), (834, 335688), (852, 328596), (1112, 251766), (1136, 246447), (1182, 236856), (1251, 223792), (1278, 219064), (1576, 177642), (1668, 167844), (1704, 164298), (1773, 157904), (2224, 125883), (2364, 118428), (2502, 111896), (2556, 109532), (3152, 88821), (3336, 83922), (3408, 82149), (3546, 78952), (4728, 59214), (5004, 55948), (5112, 54766), (6672, 41961), (7092, 39476), (9456, 29607), (9869, 28368), (10008, 27974), (10224, 27383), (13987, 20016), (14184, 19738)]