1977317760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:657

約数の個数: 256

約数和(自身を含む): 6921573120

約数和(自身を除く): 4944255360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 251, 264, 320, 330, 352, 373, 384, 440, 480, 502, 528, 640, 660, 704, 746, 753, 880, 960, 1004, 1056, 1119, 1255, 1320, 1408, 1492, 1506, 1760, 1865, 1920, 2008, 2112, 2238, 2510, 2640, 2761, 2984, 3012, 3520, 3730, 3765, 4016, 4103, 4224, 4476, 5020, 5280, 5522, 5595, 5968, 6024, 7040, 7460, 7530, 8032, 8206, 8283, 8952, 10040, 10560, 11044, 11190, 11936, 12048, 12309, 13805, 14920, 15060, 16064, 16412, 16566, 17904, 20080, 20515, 21120, 22088, 22380, 23872, 24096, 24618, 27610, 29840, 30120, 32128, 32824, 33132, 35808, 40160, 41030, 41415, 44176, 44760, 47744, 48192, 49236, 55220, 59680, 60240, 61545, 65648, 66264, 71616, 80320, 82060, 82830, 88352, 89520, 93623, 96384, 98472, 110440, 119360, 120480, 123090, 131296, 132528, 143232, 160640, 164120, 165660, 176704, 179040, 187246, 196944, 220880, 238720, 240960, 246180, 262592, 265056, 280869, 328240, 331320, 353408, 358080, 374492, 393888, 441760, 468115, 481920, 492360, 525184, 530112, 561738, 656480, 662640, 716160, 748984, 787776, 883520, 936230, 984720, 1029853, 1060224, 1123476, 1312960, 1325280, 1404345, 1497968, 1575552, 1767040, 1872460, 1969440, 2059706, 2246952, 2625920, 2650560, 2808690, 2995936, 3089559, 3744920, 3938880, 4119412, 4493904, 5149265, 5301120, 5617380, 5991872, 6179118, 7489840, 7877760, 8238824, 8987808, 10298530, 11234760, 11983744, 12358236, 14979680, 15447795, 16477648, 17975616, 20597060, 22469520, 24716472, 29959360, 30895590, 32955296, 35951232, 41194120, 44939040, 49432944, 59918720, 61791180, 65910592, 82388240, 89878080, 98865888, 123582360, 131821184, 164776480, 179756160, 197731776, 247164720, 329552960, 395463552, 494329440, 659105920, 988658880, 1977317760]

約数ペア:

[(1, 1977317760), (2, 988658880), (3, 659105920), (4, 494329440), (5, 395463552), (6, 329552960), (8, 247164720), (10, 197731776), (11, 179756160), (12, 164776480), (15, 131821184), (16, 123582360), (20, 98865888), (22, 89878080), (24, 82388240), (30, 65910592), (32, 61791180), (33, 59918720), (40, 49432944), (44, 44939040), (48, 41194120), (55, 35951232), (60, 32955296), (64, 30895590), (66, 29959360), (80, 24716472), (88, 22469520), (96, 20597060), (110, 17975616), (120, 16477648), (128, 15447795), (132, 14979680), (160, 12358236), (165, 11983744), (176, 11234760), (192, 10298530), (220, 8987808), (240, 8238824), (251, 7877760), (264, 7489840), (320, 6179118), (330, 5991872), (352, 5617380), (373, 5301120), (384, 5149265), (440, 4493904), (480, 4119412), (502, 3938880), (528, 3744920), (640, 3089559), (660, 2995936), (704, 2808690), (746, 2650560), (753, 2625920), (880, 2246952), (960, 2059706), (1004, 1969440), (1056, 1872460), (1119, 1767040), (1255, 1575552), (1320, 1497968), (1408, 1404345), (1492, 1325280), (1506, 1312960), (1760, 1123476), (1865, 1060224), (1920, 1029853), (2008, 984720), (2112, 936230), (2238, 883520), (2510, 787776), (2640, 748984), (2761, 716160), (2984, 662640), (3012, 656480), (3520, 561738), (3730, 530112), (3765, 525184), (4016, 492360), (4103, 481920), (4224, 468115), (4476, 441760), (5020, 393888), (5280, 374492), (5522, 358080), (5595, 353408), (5968, 331320), (6024, 328240), (7040, 280869), (7460, 265056), (7530, 262592), (8032, 246180), (8206, 240960), (8283, 238720), (8952, 220880), (10040, 196944), (10560, 187246), (11044, 179040), (11190, 176704), (11936, 165660), (12048, 164120), (12309, 160640), (13805, 143232), (14920, 132528), (15060, 131296), (16064, 123090), (16412, 120480), (16566, 119360), (17904, 110440), (20080, 98472), (20515, 96384), (21120, 93623), (22088, 89520), (22380, 88352), (23872, 82830), (24096, 82060), (24618, 80320), (27610, 71616), (29840, 66264), (30120, 65648), (32128, 61545), (32824, 60240), (33132, 59680), (35808, 55220), (40160, 49236), (41030, 48192), (41415, 47744), (44176, 44760)]