131380440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1987}}^1$

素因数の和:2049

約数の個数: 128

約数和(自身を含む): 429408000

約数和(自身を除く): 298027560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 38, 40, 57, 58, 60, 76, 87, 95, 114, 116, 120, 145, 152, 174, 190, 228, 232, 285, 290, 348, 380, 435, 456, 551, 570, 580, 696, 760, 870, 1102, 1140, 1160, 1653, 1740, 1987, 2204, 2280, 2755, 3306, 3480, 3974, 4408, 5510, 5961, 6612, 7948, 8265, 9935, 11020, 11922, 13224, 15896, 16530, 19870, 22040, 23844, 29805, 33060, 37753, 39740, 47688, 57623, 59610, 66120, 75506, 79480, 113259, 115246, 119220, 151012, 172869, 188765, 226518, 230492, 238440, 288115, 302024, 345738, 377530, 453036, 460984, 566295, 576230, 691476, 755060, 864345, 906072, 1094837, 1132590, 1152460, 1382952, 1510120, 1728690, 2189674, 2265180, 2304920, 3284511, 3457380, 4379348, 4530360, 5474185, 6569022, 6914760, 8758696, 10948370, 13138044, 16422555, 21896740, 26276088, 32845110, 43793480, 65690220, 131380440]

約数ペア:

[(1, 131380440), (2, 65690220), (3, 43793480), (4, 32845110), (5, 26276088), (6, 21896740), (8, 16422555), (10, 13138044), (12, 10948370), (15, 8758696), (19, 6914760), (20, 6569022), (24, 5474185), (29, 4530360), (30, 4379348), (38, 3457380), (40, 3284511), (57, 2304920), (58, 2265180), (60, 2189674), (76, 1728690), (87, 1510120), (95, 1382952), (114, 1152460), (116, 1132590), (120, 1094837), (145, 906072), (152, 864345), (174, 755060), (190, 691476), (228, 576230), (232, 566295), (285, 460984), (290, 453036), (348, 377530), (380, 345738), (435, 302024), (456, 288115), (551, 238440), (570, 230492), (580, 226518), (696, 188765), (760, 172869), (870, 151012), (1102, 119220), (1140, 115246), (1160, 113259), (1653, 79480), (1740, 75506), (1987, 66120), (2204, 59610), (2280, 57623), (2755, 47688), (3306, 39740), (3480, 37753), (3974, 33060), (4408, 29805), (5510, 23844), (5961, 22040), (6612, 19870), (7948, 16530), (8265, 15896), (9935, 13224), (11020, 11922)]