397578240

素因数分解:

$2^{12}\times 3^3\times 5^1\times {\mathrm{719}}^1$

素因数の和:757

約数の個数: 208

約数和(自身を含む): 1415404800

約数和(自身を除く): 1017826560

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, 719, 720, 768, 864, 960, 1024, 1080, 1152, 1280, 1438, 1440, 1536, 1728, 1920, 2048, 2157, 2160, 2304, 2560, 2876, 2880, 3072, 3456, 3595, 3840, 4096, 4314, 4320, 4608, 5120, 5752, 5760, 6144, 6471, 6912, 7190, 7680, 8628, 8640, 9216, 10240, 10785, 11504, 11520, 12288, 12942, 13824, 14380, 15360, 17256, 17280, 18432, 19413, 20480, 21570, 23008, 23040, 25884, 27648, 28760, 30720, 32355, 34512, 34560, 36864, 38826, 43140, 46016, 46080, 51768, 55296, 57520, 61440, 64710, 69024, 69120, 77652, 86280, 92032, 92160, 97065, 103536, 110592, 115040, 129420, 138048, 138240, 155304, 172560, 184064, 184320, 194130, 207072, 230080, 258840, 276096, 276480, 310608, 345120, 368128, 388260, 414144, 460160, 517680, 552192, 552960, 621216, 690240, 736256, 776520, 828288, 920320, 1035360, 1104384, 1242432, 1380480, 1472512, 1553040, 1656576, 1840640, 2070720, 2208768, 2484864, 2760960, 2945024, 3106080, 3313152, 3681280, 4141440, 4417536, 4969728, 5521920, 6212160, 6626304, 7362560, 8282880, 8835072, 9939456, 11043840, 12424320, 13252608, 14725120, 16565760, 19878912, 22087680, 24848640, 26505216, 33131520, 39757824, 44175360, 49697280, 66263040, 79515648, 99394560, 132526080, 198789120, 397578240]

約数ペア:

[(1, 397578240), (2, 198789120), (3, 132526080), (4, 99394560), (5, 79515648), (6, 66263040), (8, 49697280), (9, 44175360), (10, 39757824), (12, 33131520), (15, 26505216), (16, 24848640), (18, 22087680), (20, 19878912), (24, 16565760), (27, 14725120), (30, 13252608), (32, 12424320), (36, 11043840), (40, 9939456), (45, 8835072), (48, 8282880), (54, 7362560), (60, 6626304), (64, 6212160), (72, 5521920), (80, 4969728), (90, 4417536), (96, 4141440), (108, 3681280), (120, 3313152), (128, 3106080), (135, 2945024), (144, 2760960), (160, 2484864), (180, 2208768), (192, 2070720), (216, 1840640), (240, 1656576), (256, 1553040), (270, 1472512), (288, 1380480), (320, 1242432), (360, 1104384), (384, 1035360), (432, 920320), (480, 828288), (512, 776520), (540, 736256), (576, 690240), (640, 621216), (719, 552960), (720, 552192), (768, 517680), (864, 460160), (960, 414144), (1024, 388260), (1080, 368128), (1152, 345120), (1280, 310608), (1438, 276480), (1440, 276096), (1536, 258840), (1728, 230080), (1920, 207072), (2048, 194130), (2157, 184320), (2160, 184064), (2304, 172560), (2560, 155304), (2876, 138240), (2880, 138048), (3072, 129420), (3456, 115040), (3595, 110592), (3840, 103536), (4096, 97065), (4314, 92160), (4320, 92032), (4608, 86280), (5120, 77652), (5752, 69120), (5760, 69024), (6144, 64710), (6471, 61440), (6912, 57520), (7190, 55296), (7680, 51768), (8628, 46080), (8640, 46016), (9216, 43140), (10240, 38826), (10785, 36864), (11504, 34560), (11520, 34512), (12288, 32355), (12942, 30720), (13824, 28760), (14380, 27648), (15360, 25884), (17256, 23040), (17280, 23008), (18432, 21570), (19413, 20480)]