261132240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2207}}^1$

素因数の和:2269

約数の個数: 160

約数和(自身を含む): 887086080

約数和(自身を除く): 625953840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 29, 30, 34, 40, 48, 51, 58, 60, 68, 80, 85, 87, 102, 116, 120, 136, 145, 170, 174, 204, 232, 240, 255, 272, 290, 340, 348, 408, 435, 464, 493, 510, 580, 680, 696, 816, 870, 986, 1020, 1160, 1360, 1392, 1479, 1740, 1972, 2040, 2207, 2320, 2465, 2958, 3480, 3944, 4080, 4414, 4930, 5916, 6621, 6960, 7395, 7888, 8828, 9860, 11035, 11832, 13242, 14790, 17656, 19720, 22070, 23664, 26484, 29580, 33105, 35312, 37519, 39440, 44140, 52968, 59160, 64003, 66210, 75038, 88280, 105936, 112557, 118320, 128006, 132420, 150076, 176560, 187595, 192009, 225114, 256012, 264840, 300152, 320015, 375190, 384018, 450228, 512024, 529680, 562785, 600304, 640030, 750380, 768036, 900456, 960045, 1024048, 1088051, 1125570, 1280060, 1500760, 1536072, 1800912, 1920090, 2176102, 2251140, 2560120, 3001520, 3072144, 3264153, 3840180, 4352204, 4502280, 5120240, 5440255, 6528306, 7680360, 8704408, 9004560, 10880510, 13056612, 15360720, 16320765, 17408816, 21761020, 26113224, 32641530, 43522040, 52226448, 65283060, 87044080, 130566120, 261132240]

約数ペア:

[(1, 261132240), (2, 130566120), (3, 87044080), (4, 65283060), (5, 52226448), (6, 43522040), (8, 32641530), (10, 26113224), (12, 21761020), (15, 17408816), (16, 16320765), (17, 15360720), (20, 13056612), (24, 10880510), (29, 9004560), (30, 8704408), (34, 7680360), (40, 6528306), (48, 5440255), (51, 5120240), (58, 4502280), (60, 4352204), (68, 3840180), (80, 3264153), (85, 3072144), (87, 3001520), (102, 2560120), (116, 2251140), (120, 2176102), (136, 1920090), (145, 1800912), (170, 1536072), (174, 1500760), (204, 1280060), (232, 1125570), (240, 1088051), (255, 1024048), (272, 960045), (290, 900456), (340, 768036), (348, 750380), (408, 640030), (435, 600304), (464, 562785), (493, 529680), (510, 512024), (580, 450228), (680, 384018), (696, 375190), (816, 320015), (870, 300152), (986, 264840), (1020, 256012), (1160, 225114), (1360, 192009), (1392, 187595), (1479, 176560), (1740, 150076), (1972, 132420), (2040, 128006), (2207, 118320), (2320, 112557), (2465, 105936), (2958, 88280), (3480, 75038), (3944, 66210), (4080, 64003), (4414, 59160), (4930, 52968), (5916, 44140), (6621, 39440), (6960, 37519), (7395, 35312), (7888, 33105), (8828, 29580), (9860, 26484), (11035, 23664), (11832, 22070), (13242, 19720), (14790, 17656)]