261177306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 628992000

約数和(自身を除く): 367814694

約数列:

[1, 2, 3, 6, 13, 19, 26, 29, 38, 39, 57, 58, 59, 78, 87, 103, 114, 118, 174, 177, 206, 247, 309, 354, 377, 494, 551, 618, 741, 754, 767, 1102, 1121, 1131, 1339, 1482, 1534, 1653, 1711, 1957, 2242, 2262, 2301, 2678, 2987, 3306, 3363, 3422, 3914, 4017, 4602, 5133, 5871, 5974, 6077, 6726, 7163, 8034, 8961, 10266, 11742, 12154, 14326, 14573, 17922, 18231, 21489, 22243, 25441, 29146, 32509, 36462, 38831, 42978, 43719, 44486, 50882, 56753, 65018, 66729, 76323, 77662, 79001, 87438, 97527, 113506, 115463, 116493, 133458, 152646, 158002, 170259, 176233, 195054, 230926, 232986, 237003, 340518, 346389, 352466, 422617, 474006, 528699, 692778, 737789, 845234, 1057398, 1267851, 1475578, 1501019, 2213367, 2291029, 2535702, 3002038, 3348427, 4426734, 4503057, 4582058, 6696854, 6873087, 9006114, 10045281, 13746174, 20090562, 43529551, 87059102, 130588653, 261177306]

約数ペア:

[(1, 261177306), (2, 130588653), (3, 87059102), (6, 43529551), (13, 20090562), (19, 13746174), (26, 10045281), (29, 9006114), (38, 6873087), (39, 6696854), (57, 4582058), (58, 4503057), (59, 4426734), (78, 3348427), (87, 3002038), (103, 2535702), (114, 2291029), (118, 2213367), (174, 1501019), (177, 1475578), (206, 1267851), (247, 1057398), (309, 845234), (354, 737789), (377, 692778), (494, 528699), (551, 474006), (618, 422617), (741, 352466), (754, 346389), (767, 340518), (1102, 237003), (1121, 232986), (1131, 230926), (1339, 195054), (1482, 176233), (1534, 170259), (1653, 158002), (1711, 152646), (1957, 133458), (2242, 116493), (2262, 115463), (2301, 113506), (2678, 97527), (2987, 87438), (3306, 79001), (3363, 77662), (3422, 76323), (3914, 66729), (4017, 65018), (4602, 56753), (5133, 50882), (5871, 44486), (5974, 43719), (6077, 42978), (6726, 38831), (7163, 36462), (8034, 32509), (8961, 29146), (10266, 25441), (11742, 22243), (12154, 21489), (14326, 18231), (14573, 17922)]