256525488

素因数分解:

$2^4\times 3^3\times {\mathrm{163}}^1\times {\mathrm{3643}}^1$

素因数の和:3823

約数の個数: 80

約数和(自身を含む): 741043840

約数和(自身を除く): 484518352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 163, 216, 326, 432, 489, 652, 978, 1304, 1467, 1956, 2608, 2934, 3643, 3912, 4401, 5868, 7286, 7824, 8802, 10929, 11736, 14572, 17604, 21858, 23472, 29144, 32787, 35208, 43716, 58288, 65574, 70416, 87432, 98361, 131148, 174864, 196722, 262296, 393444, 524592, 593809, 786888, 1187618, 1573776, 1781427, 2375236, 3562854, 4750472, 5344281, 7125708, 9500944, 10688562, 14251416, 16032843, 21377124, 28502832, 32065686, 42754248, 64131372, 85508496, 128262744, 256525488]

約数ペア:

[(1, 256525488), (2, 128262744), (3, 85508496), (4, 64131372), (6, 42754248), (8, 32065686), (9, 28502832), (12, 21377124), (16, 16032843), (18, 14251416), (24, 10688562), (27, 9500944), (36, 7125708), (48, 5344281), (54, 4750472), (72, 3562854), (108, 2375236), (144, 1781427), (163, 1573776), (216, 1187618), (326, 786888), (432, 593809), (489, 524592), (652, 393444), (978, 262296), (1304, 196722), (1467, 174864), (1956, 131148), (2608, 98361), (2934, 87432), (3643, 70416), (3912, 65574), (4401, 58288), (5868, 43716), (7286, 35208), (7824, 32787), (8802, 29144), (10929, 23472), (11736, 21858), (14572, 17604)]