280528128

素因数分解:

$2^8\times 3^2\times {\mathrm{313}}^1\times {\mathrm{389}}^1$

素因数の和:724

約数の個数: 108

約数和(自身を含む): 813501780

約数和(自身を除く): 532973652

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 313, 384, 389, 576, 626, 768, 778, 939, 1152, 1167, 1252, 1556, 1878, 2304, 2334, 2504, 2817, 3112, 3501, 3756, 4668, 5008, 5634, 6224, 7002, 7512, 9336, 10016, 11268, 12448, 14004, 15024, 18672, 20032, 22536, 24896, 28008, 30048, 37344, 40064, 45072, 49792, 56016, 60096, 74688, 80128, 90144, 99584, 112032, 120192, 121757, 149376, 180288, 224064, 240384, 243514, 298752, 360576, 365271, 448128, 487028, 721152, 730542, 896256, 974056, 1095813, 1461084, 1948112, 2191626, 2922168, 3896224, 4383252, 5844336, 7792448, 8766504, 11688672, 15584896, 17533008, 23377344, 31169792, 35066016, 46754688, 70132032, 93509376, 140264064, 280528128]

約数ペア:

[(1, 280528128), (2, 140264064), (3, 93509376), (4, 70132032), (6, 46754688), (8, 35066016), (9, 31169792), (12, 23377344), (16, 17533008), (18, 15584896), (24, 11688672), (32, 8766504), (36, 7792448), (48, 5844336), (64, 4383252), (72, 3896224), (96, 2922168), (128, 2191626), (144, 1948112), (192, 1461084), (256, 1095813), (288, 974056), (313, 896256), (384, 730542), (389, 721152), (576, 487028), (626, 448128), (768, 365271), (778, 360576), (939, 298752), (1152, 243514), (1167, 240384), (1252, 224064), (1556, 180288), (1878, 149376), (2304, 121757), (2334, 120192), (2504, 112032), (2817, 99584), (3112, 90144), (3501, 80128), (3756, 74688), (4668, 60096), (5008, 56016), (5634, 49792), (6224, 45072), (7002, 40064), (7512, 37344), (9336, 30048), (10016, 28008), (11268, 24896), (12448, 22536), (14004, 20032), (15024, 18672)]