128981376

素因数分解:

$2^7\times 3^3\times {\mathrm{37321}}^1$

素因数の和:37344

約数の個数: 64

約数和(自身を含む): 380684400

約数和(自身を除く): 251703024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 288, 384, 432, 576, 864, 1152, 1728, 3456, 37321, 74642, 111963, 149284, 223926, 298568, 335889, 447852, 597136, 671778, 895704, 1007667, 1194272, 1343556, 1791408, 2015334, 2388544, 2687112, 3582816, 4030668, 4777088, 5374224, 7165632, 8061336, 10748448, 14331264, 16122672, 21496896, 32245344, 42993792, 64490688, 128981376]

約数ペア:

[(1, 128981376), (2, 64490688), (3, 42993792), (4, 32245344), (6, 21496896), (8, 16122672), (9, 14331264), (12, 10748448), (16, 8061336), (18, 7165632), (24, 5374224), (27, 4777088), (32, 4030668), (36, 3582816), (48, 2687112), (54, 2388544), (64, 2015334), (72, 1791408), (96, 1343556), (108, 1194272), (128, 1007667), (144, 895704), (192, 671778), (216, 597136), (288, 447852), (384, 335889), (432, 298568), (576, 223926), (864, 149284), (1152, 111963), (1728, 74642), (3456, 37321)]