256581504

素因数分解:

$2^7\times 3^2\times {\mathrm{71}}^1\times {\mathrm{3137}}^1$

素因数の和:3228

約数の個数: 96

約数和(自身を含む): 748977840

約数和(自身を除く): 492396336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 128, 142, 144, 192, 213, 284, 288, 384, 426, 568, 576, 639, 852, 1136, 1152, 1278, 1704, 2272, 2556, 3137, 3408, 4544, 5112, 6274, 6816, 9088, 9411, 10224, 12548, 13632, 18822, 20448, 25096, 27264, 28233, 37644, 40896, 50192, 56466, 75288, 81792, 100384, 112932, 150576, 200768, 222727, 225864, 301152, 401536, 445454, 451728, 602304, 668181, 890908, 903456, 1204608, 1336362, 1781816, 1806912, 2004543, 2672724, 3563632, 3613824, 4009086, 5345448, 7127264, 8018172, 10690896, 14254528, 16036344, 21381792, 28509056, 32072688, 42763584, 64145376, 85527168, 128290752, 256581504]

約数ペア:

[(1, 256581504), (2, 128290752), (3, 85527168), (4, 64145376), (6, 42763584), (8, 32072688), (9, 28509056), (12, 21381792), (16, 16036344), (18, 14254528), (24, 10690896), (32, 8018172), (36, 7127264), (48, 5345448), (64, 4009086), (71, 3613824), (72, 3563632), (96, 2672724), (128, 2004543), (142, 1806912), (144, 1781816), (192, 1336362), (213, 1204608), (284, 903456), (288, 890908), (384, 668181), (426, 602304), (568, 451728), (576, 445454), (639, 401536), (852, 301152), (1136, 225864), (1152, 222727), (1278, 200768), (1704, 150576), (2272, 112932), (2556, 100384), (3137, 81792), (3408, 75288), (4544, 56466), (5112, 50192), (6274, 40896), (6816, 37644), (9088, 28233), (9411, 27264), (10224, 25096), (12548, 20448), (13632, 18822)]