55757240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 128

約数和(自身を含む): 160427520

約数和(自身を除く): 104670280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 86, 88, 110, 140, 154, 172, 215, 220, 280, 301, 308, 344, 385, 421, 430, 440, 473, 602, 616, 770, 842, 860, 946, 1204, 1505, 1540, 1684, 1720, 1892, 2105, 2365, 2408, 2947, 3010, 3080, 3311, 3368, 3784, 4210, 4631, 4730, 5894, 6020, 6622, 8420, 9262, 9460, 11788, 12040, 13244, 14735, 16555, 16840, 18103, 18524, 18920, 23155, 23576, 26488, 29470, 32417, 33110, 36206, 37048, 46310, 58940, 64834, 66220, 72412, 90515, 92620, 117880, 126721, 129668, 132440, 144824, 162085, 181030, 185240, 199133, 253442, 259336, 324170, 362060, 398266, 506884, 633605, 648340, 724120, 796532, 995665, 1013768, 1267210, 1296680, 1393931, 1593064, 1991330, 2534420, 2787862, 3982660, 5068840, 5575724, 6969655, 7965320, 11151448, 13939310, 27878620, 55757240]

約数ペア:

[(1, 55757240), (2, 27878620), (4, 13939310), (5, 11151448), (7, 7965320), (8, 6969655), (10, 5575724), (11, 5068840), (14, 3982660), (20, 2787862), (22, 2534420), (28, 1991330), (35, 1593064), (40, 1393931), (43, 1296680), (44, 1267210), (55, 1013768), (56, 995665), (70, 796532), (77, 724120), (86, 648340), (88, 633605), (110, 506884), (140, 398266), (154, 362060), (172, 324170), (215, 259336), (220, 253442), (280, 199133), (301, 185240), (308, 181030), (344, 162085), (385, 144824), (421, 132440), (430, 129668), (440, 126721), (473, 117880), (602, 92620), (616, 90515), (770, 72412), (842, 66220), (860, 64834), (946, 58940), (1204, 46310), (1505, 37048), (1540, 36206), (1684, 33110), (1720, 32417), (1892, 29470), (2105, 26488), (2365, 23576), (2408, 23155), (2947, 18920), (3010, 18524), (3080, 18103), (3311, 16840), (3368, 16555), (3784, 14735), (4210, 13244), (4631, 12040), (4730, 11788), (5894, 9460), (6020, 9262), (6622, 8420)]