249795520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 168

約数和(自身を含む): 669340800

約数和(自身を除く): 419545280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 149, 155, 160, 169, 208, 248, 260, 298, 310, 320, 338, 403, 416, 496, 520, 596, 620, 676, 745, 806, 832, 845, 992, 1040, 1192, 1240, 1352, 1490, 1612, 1690, 1937, 1984, 2015, 2080, 2384, 2480, 2704, 2980, 3224, 3380, 3874, 4030, 4160, 4619, 4768, 4960, 5239, 5408, 5960, 6448, 6760, 7748, 8060, 9238, 9536, 9685, 9920, 10478, 10816, 11920, 12896, 13520, 15496, 16120, 18476, 19370, 20956, 23095, 23840, 25181, 25792, 26195, 27040, 30992, 32240, 36952, 38740, 41912, 46190, 47680, 50362, 52390, 54080, 60047, 61984, 64480, 73904, 77480, 83824, 92380, 100724, 104780, 120094, 123968, 125905, 128960, 147808, 154960, 167648, 184760, 201448, 209560, 240188, 251810, 295616, 300235, 309920, 335296, 369520, 402896, 419120, 480376, 503620, 600470, 619840, 739040, 780611, 805792, 838240, 960752, 1007240, 1200940, 1478080, 1561222, 1611584, 1676480, 1921504, 2014480, 2401880, 3122444, 3843008, 3903055, 4028960, 4803760, 6244888, 7806110, 8057920, 9607520, 12489776, 15612220, 19215040, 24979552, 31224440, 49959104, 62448880, 124897760, 249795520]

約数ペア:

[(1, 249795520), (2, 124897760), (4, 62448880), (5, 49959104), (8, 31224440), (10, 24979552), (13, 19215040), (16, 15612220), (20, 12489776), (26, 9607520), (31, 8057920), (32, 7806110), (40, 6244888), (52, 4803760), (62, 4028960), (64, 3903055), (65, 3843008), (80, 3122444), (104, 2401880), (124, 2014480), (130, 1921504), (149, 1676480), (155, 1611584), (160, 1561222), (169, 1478080), (208, 1200940), (248, 1007240), (260, 960752), (298, 838240), (310, 805792), (320, 780611), (338, 739040), (403, 619840), (416, 600470), (496, 503620), (520, 480376), (596, 419120), (620, 402896), (676, 369520), (745, 335296), (806, 309920), (832, 300235), (845, 295616), (992, 251810), (1040, 240188), (1192, 209560), (1240, 201448), (1352, 184760), (1490, 167648), (1612, 154960), (1690, 147808), (1937, 128960), (1984, 125905), (2015, 123968), (2080, 120094), (2384, 104780), (2480, 100724), (2704, 92380), (2980, 83824), (3224, 77480), (3380, 73904), (3874, 64480), (4030, 61984), (4160, 60047), (4619, 54080), (4768, 52390), (4960, 50362), (5239, 47680), (5408, 46190), (5960, 41912), (6448, 38740), (6760, 36952), (7748, 32240), (8060, 30992), (9238, 27040), (9536, 26195), (9685, 25792), (9920, 25181), (10478, 23840), (10816, 23095), (11920, 20956), (12896, 19370), (13520, 18476), (15496, 16120)]