278697744

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^3$

素因数の和:186

約数の個数: 120

約数和(自身を含む): 856117080

約数和(自身を除く): 577419336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 53, 72, 78, 104, 106, 117, 144, 156, 159, 208, 212, 234, 312, 318, 424, 468, 477, 624, 636, 689, 848, 936, 954, 1272, 1378, 1872, 1908, 2067, 2544, 2756, 2809, 3816, 4134, 5512, 5618, 6201, 7632, 8268, 8427, 11024, 11236, 12402, 16536, 16854, 22472, 24804, 25281, 33072, 33708, 36517, 44944, 49608, 50562, 67416, 73034, 99216, 101124, 109551, 134832, 146068, 148877, 202248, 219102, 292136, 297754, 328653, 404496, 438204, 446631, 584272, 595508, 657306, 876408, 893262, 1191016, 1314612, 1339893, 1752816, 1786524, 1935401, 2382032, 2629224, 2679786, 3573048, 3870802, 5258448, 5359572, 5806203, 7146096, 7741604, 10719144, 11612406, 15483208, 17418609, 21438288, 23224812, 30966416, 34837218, 46449624, 69674436, 92899248, 139348872, 278697744]

約数ペア:

[(1, 278697744), (2, 139348872), (3, 92899248), (4, 69674436), (6, 46449624), (8, 34837218), (9, 30966416), (12, 23224812), (13, 21438288), (16, 17418609), (18, 15483208), (24, 11612406), (26, 10719144), (36, 7741604), (39, 7146096), (48, 5806203), (52, 5359572), (53, 5258448), (72, 3870802), (78, 3573048), (104, 2679786), (106, 2629224), (117, 2382032), (144, 1935401), (156, 1786524), (159, 1752816), (208, 1339893), (212, 1314612), (234, 1191016), (312, 893262), (318, 876408), (424, 657306), (468, 595508), (477, 584272), (624, 446631), (636, 438204), (689, 404496), (848, 328653), (936, 297754), (954, 292136), (1272, 219102), (1378, 202248), (1872, 148877), (1908, 146068), (2067, 134832), (2544, 109551), (2756, 101124), (2809, 99216), (3816, 73034), (4134, 67416), (5512, 50562), (5618, 49608), (6201, 44944), (7632, 36517), (8268, 33708), (8427, 33072), (11024, 25281), (11236, 24804), (12402, 22472), (16536, 16854)]