128245212

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 371498400

約数和(自身を除く): 243253188

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 41, 51, 57, 68, 76, 82, 102, 114, 123, 153, 164, 171, 204, 228, 246, 269, 306, 323, 342, 369, 492, 538, 612, 646, 684, 697, 738, 779, 807, 969, 1076, 1292, 1394, 1476, 1558, 1614, 1938, 2091, 2337, 2421, 2788, 2907, 3116, 3228, 3876, 4182, 4573, 4674, 4842, 5111, 5814, 6273, 7011, 8364, 9146, 9348, 9684, 10222, 11029, 11628, 12546, 13243, 13719, 14022, 15333, 18292, 20444, 22058, 25092, 26486, 27438, 28044, 30666, 33087, 39729, 41157, 44116, 45999, 52972, 54876, 61332, 66174, 79458, 82314, 86887, 91998, 99261, 119187, 132348, 158916, 164628, 173774, 183996, 187493, 198522, 209551, 238374, 260661, 347548, 374986, 397044, 419102, 476748, 521322, 562479, 628653, 749972, 781983, 838204, 1042644, 1124958, 1257306, 1563966, 1687437, 1885959, 2249916, 2514612, 3127932, 3374874, 3562367, 3771918, 6749748, 7124734, 7543836, 10687101, 14249468, 21374202, 32061303, 42748404, 64122606, 128245212]

約数ペア:

[(1, 128245212), (2, 64122606), (3, 42748404), (4, 32061303), (6, 21374202), (9, 14249468), (12, 10687101), (17, 7543836), (18, 7124734), (19, 6749748), (34, 3771918), (36, 3562367), (38, 3374874), (41, 3127932), (51, 2514612), (57, 2249916), (68, 1885959), (76, 1687437), (82, 1563966), (102, 1257306), (114, 1124958), (123, 1042644), (153, 838204), (164, 781983), (171, 749972), (204, 628653), (228, 562479), (246, 521322), (269, 476748), (306, 419102), (323, 397044), (342, 374986), (369, 347548), (492, 260661), (538, 238374), (612, 209551), (646, 198522), (684, 187493), (697, 183996), (738, 173774), (779, 164628), (807, 158916), (969, 132348), (1076, 119187), (1292, 99261), (1394, 91998), (1476, 86887), (1558, 82314), (1614, 79458), (1938, 66174), (2091, 61332), (2337, 54876), (2421, 52972), (2788, 45999), (2907, 44116), (3116, 41157), (3228, 39729), (3876, 33087), (4182, 30666), (4573, 28044), (4674, 27438), (4842, 26486), (5111, 25092), (5814, 22058), (6273, 20444), (7011, 18292), (8364, 15333), (9146, 14022), (9348, 13719), (9684, 13243), (10222, 12546), (11029, 11628)]