161785728

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^2\times {\mathrm{277}}^1$

素因数の和:326

約数の個数: 192

約数和(自身を含む): 518914800

約数和(自身を除く): 357129072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 169, 192, 208, 216, 234, 277, 288, 312, 338, 351, 384, 416, 432, 468, 507, 554, 576, 624, 676, 702, 831, 832, 864, 936, 1014, 1108, 1152, 1248, 1352, 1404, 1521, 1662, 1664, 1728, 1872, 2028, 2216, 2493, 2496, 2704, 2808, 3042, 3324, 3456, 3601, 3744, 4056, 4432, 4563, 4986, 4992, 5408, 5616, 6084, 6648, 7202, 7479, 7488, 8112, 8864, 9126, 9972, 10803, 10816, 11232, 12168, 13296, 14404, 14958, 14976, 16224, 17728, 18252, 19944, 21606, 21632, 22464, 24336, 26592, 28808, 29916, 32409, 32448, 35456, 36504, 39888, 43212, 44928, 46813, 48672, 53184, 57616, 59832, 64818, 64896, 73008, 79776, 86424, 93626, 97227, 97344, 106368, 115232, 119664, 129636, 140439, 146016, 159552, 172848, 187252, 194454, 194688, 230464, 239328, 259272, 280878, 292032, 319104, 345696, 374504, 388908, 421317, 460928, 478656, 518544, 561756, 584064, 691392, 749008, 777816, 842634, 957312, 1037088, 1123512, 1263951, 1382784, 1498016, 1555632, 1685268, 2074176, 2247024, 2527902, 2996032, 3111264, 3370536, 4148352, 4494048, 5055804, 5992064, 6222528, 6741072, 8988096, 10111608, 12445056, 13482144, 17976192, 20223216, 26964288, 40446432, 53928576, 80892864, 161785728]

約数ペア:

[(1, 161785728), (2, 80892864), (3, 53928576), (4, 40446432), (6, 26964288), (8, 20223216), (9, 17976192), (12, 13482144), (13, 12445056), (16, 10111608), (18, 8988096), (24, 6741072), (26, 6222528), (27, 5992064), (32, 5055804), (36, 4494048), (39, 4148352), (48, 3370536), (52, 3111264), (54, 2996032), (64, 2527902), (72, 2247024), (78, 2074176), (96, 1685268), (104, 1555632), (108, 1498016), (117, 1382784), (128, 1263951), (144, 1123512), (156, 1037088), (169, 957312), (192, 842634), (208, 777816), (216, 749008), (234, 691392), (277, 584064), (288, 561756), (312, 518544), (338, 478656), (351, 460928), (384, 421317), (416, 388908), (432, 374504), (468, 345696), (507, 319104), (554, 292032), (576, 280878), (624, 259272), (676, 239328), (702, 230464), (831, 194688), (832, 194454), (864, 187252), (936, 172848), (1014, 159552), (1108, 146016), (1152, 140439), (1248, 129636), (1352, 119664), (1404, 115232), (1521, 106368), (1662, 97344), (1664, 97227), (1728, 93626), (1872, 86424), (2028, 79776), (2216, 73008), (2493, 64896), (2496, 64818), (2704, 59832), (2808, 57616), (3042, 53184), (3324, 48672), (3456, 46813), (3601, 44928), (3744, 43212), (4056, 39888), (4432, 36504), (4563, 35456), (4986, 32448), (4992, 32409), (5408, 29916), (5616, 28808), (6084, 26592), (6648, 24336), (7202, 22464), (7479, 21632), (7488, 21606), (8112, 19944), (8864, 18252), (9126, 17728), (9972, 16224), (10803, 14976), (10816, 14958), (11232, 14404), (12168, 13296)]