257057280

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{3719}}^1$

素因数の和:3751

約数の個数: 160

約数和(自身を含む): 913334400

約数和(自身を除く): 656277120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3719, 3840, 4320, 4608, 5760, 6912, 7438, 7680, 8640, 11157, 11520, 13824, 14876, 17280, 18595, 22314, 23040, 29752, 33471, 34560, 37190, 44628, 55785, 59504, 66942, 69120, 74380, 89256, 100413, 111570, 119008, 133884, 148760, 167355, 178512, 200826, 223140, 238016, 267768, 297520, 334710, 357024, 401652, 446280, 476032, 502065, 535536, 595040, 669420, 714048, 803304, 892560, 952064, 1004130, 1071072, 1190080, 1338840, 1428096, 1606608, 1785120, 1904128, 2008260, 2142144, 2380160, 2677680, 2856192, 3213216, 3570240, 4016520, 4284288, 4760320, 5355360, 5712384, 6426432, 7140480, 8033040, 8568576, 9520640, 10710720, 12852864, 14280960, 16066080, 17137152, 21421440, 25705728, 28561920, 32132160, 42842880, 51411456, 64264320, 85685760, 128528640, 257057280]

約数ペア:

[(1, 257057280), (2, 128528640), (3, 85685760), (4, 64264320), (5, 51411456), (6, 42842880), (8, 32132160), (9, 28561920), (10, 25705728), (12, 21421440), (15, 17137152), (16, 16066080), (18, 14280960), (20, 12852864), (24, 10710720), (27, 9520640), (30, 8568576), (32, 8033040), (36, 7140480), (40, 6426432), (45, 5712384), (48, 5355360), (54, 4760320), (60, 4284288), (64, 4016520), (72, 3570240), (80, 3213216), (90, 2856192), (96, 2677680), (108, 2380160), (120, 2142144), (128, 2008260), (135, 1904128), (144, 1785120), (160, 1606608), (180, 1428096), (192, 1338840), (216, 1190080), (240, 1071072), (256, 1004130), (270, 952064), (288, 892560), (320, 803304), (360, 714048), (384, 669420), (432, 595040), (480, 535536), (512, 502065), (540, 476032), (576, 446280), (640, 401652), (720, 357024), (768, 334710), (864, 297520), (960, 267768), (1080, 238016), (1152, 223140), (1280, 200826), (1440, 178512), (1536, 167355), (1728, 148760), (1920, 133884), (2160, 119008), (2304, 111570), (2560, 100413), (2880, 89256), (3456, 74380), (3719, 69120), (3840, 66942), (4320, 59504), (4608, 55785), (5760, 44628), (6912, 37190), (7438, 34560), (7680, 33471), (8640, 29752), (11157, 23040), (11520, 22314), (13824, 18595), (14876, 17280)]