1268781392

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 2763082080

約数和(自身を除く): 1494300688

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 43, 62, 76, 86, 101, 124, 152, 172, 202, 248, 304, 344, 404, 496, 589, 688, 808, 817, 961, 1178, 1333, 1616, 1634, 1919, 1922, 2356, 2666, 3131, 3268, 3838, 3844, 4343, 4712, 5332, 6262, 6536, 7676, 7688, 8686, 9424, 10664, 12524, 13072, 15352, 15376, 17372, 18259, 21328, 25048, 25327, 30704, 34744, 36518, 41323, 50096, 50654, 59489, 69488, 73036, 82517, 82646, 97061, 101308, 118978, 134633, 146072, 165034, 165292, 194122, 202616, 237956, 269266, 292144, 330068, 330584, 388244, 405232, 475912, 538532, 660136, 661168, 776488, 785137, 951824, 1077064, 1320272, 1552976, 1570274, 1844159, 2154128, 2558027, 3140548, 3688318, 4173623, 5116054, 6281096, 7376636, 8347246, 10232108, 12562192, 14753272, 16694492, 20464216, 29506544, 33388984, 40928432, 66777968, 79298837, 158597674, 317195348, 634390696, 1268781392]

約数ペア:

[(1, 1268781392), (2, 634390696), (4, 317195348), (8, 158597674), (16, 79298837), (19, 66777968), (31, 40928432), (38, 33388984), (43, 29506544), (62, 20464216), (76, 16694492), (86, 14753272), (101, 12562192), (124, 10232108), (152, 8347246), (172, 7376636), (202, 6281096), (248, 5116054), (304, 4173623), (344, 3688318), (404, 3140548), (496, 2558027), (589, 2154128), (688, 1844159), (808, 1570274), (817, 1552976), (961, 1320272), (1178, 1077064), (1333, 951824), (1616, 785137), (1634, 776488), (1919, 661168), (1922, 660136), (2356, 538532), (2666, 475912), (3131, 405232), (3268, 388244), (3838, 330584), (3844, 330068), (4343, 292144), (4712, 269266), (5332, 237956), (6262, 202616), (6536, 194122), (7676, 165292), (7688, 165034), (8686, 146072), (9424, 134633), (10664, 118978), (12524, 101308), (13072, 97061), (15352, 82646), (15376, 82517), (17372, 73036), (18259, 69488), (21328, 59489), (25048, 50654), (25327, 50096), (30704, 41323), (34744, 36518)]