31445280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:304

約数の個数: 192

約数和(自身を含む): 114307200

約数和(自身を除く): 82861920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 174, 180, 216, 232, 240, 251, 261, 270, 288, 290, 348, 360, 432, 435, 464, 480, 502, 522, 540, 580, 696, 720, 753, 783, 864, 870, 928, 1004, 1044, 1080, 1160, 1255, 1305, 1392, 1440, 1506, 1566, 1740, 2008, 2088, 2160, 2259, 2320, 2510, 2610, 2784, 3012, 3132, 3480, 3765, 3915, 4016, 4176, 4320, 4518, 4640, 5020, 5220, 6024, 6264, 6777, 6960, 7279, 7530, 7830, 8032, 8352, 9036, 10040, 10440, 11295, 12048, 12528, 13554, 13920, 14558, 15060, 15660, 18072, 20080, 20880, 21837, 22590, 24096, 25056, 27108, 29116, 30120, 31320, 33885, 36144, 36395, 40160, 41760, 43674, 45180, 54216, 58232, 60240, 62640, 65511, 67770, 72288, 72790, 87348, 90360, 108432, 109185, 116464, 120480, 125280, 131022, 135540, 145580, 174696, 180720, 196533, 216864, 218370, 232928, 262044, 271080, 291160, 327555, 349392, 361440, 393066, 436740, 524088, 542160, 582320, 655110, 698784, 786132, 873480, 982665, 1048176, 1084320, 1164640, 1310220, 1572264, 1746960, 1965330, 2096352, 2620440, 3144528, 3493920, 3930660, 5240880, 6289056, 7861320, 10481760, 15722640, 31445280]

約数ペア:

[(1, 31445280), (2, 15722640), (3, 10481760), (4, 7861320), (5, 6289056), (6, 5240880), (8, 3930660), (9, 3493920), (10, 3144528), (12, 2620440), (15, 2096352), (16, 1965330), (18, 1746960), (20, 1572264), (24, 1310220), (27, 1164640), (29, 1084320), (30, 1048176), (32, 982665), (36, 873480), (40, 786132), (45, 698784), (48, 655110), (54, 582320), (58, 542160), (60, 524088), (72, 436740), (80, 393066), (87, 361440), (90, 349392), (96, 327555), (108, 291160), (116, 271080), (120, 262044), (135, 232928), (144, 218370), (145, 216864), (160, 196533), (174, 180720), (180, 174696), (216, 145580), (232, 135540), (240, 131022), (251, 125280), (261, 120480), (270, 116464), (288, 109185), (290, 108432), (348, 90360), (360, 87348), (432, 72790), (435, 72288), (464, 67770), (480, 65511), (502, 62640), (522, 60240), (540, 58232), (580, 54216), (696, 45180), (720, 43674), (753, 41760), (783, 40160), (864, 36395), (870, 36144), (928, 33885), (1004, 31320), (1044, 30120), (1080, 29116), (1160, 27108), (1255, 25056), (1305, 24096), (1392, 22590), (1440, 21837), (1506, 20880), (1566, 20080), (1740, 18072), (2008, 15660), (2088, 15060), (2160, 14558), (2259, 13920), (2320, 13554), (2510, 12528), (2610, 12048), (2784, 11295), (3012, 10440), (3132, 10040), (3480, 9036), (3765, 8352), (3915, 8032), (4016, 7830), (4176, 7530), (4320, 7279), (4518, 6960), (4640, 6777), (5020, 6264), (5220, 6024)]