21908567040

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1619}}^1$

素因数の和:2528

約数の個数: 176

約数和(自身を含む): 70196051520

約数和(自身を除く): 48287484480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 881, 960, 1024, 1280, 1536, 1619, 1762, 1920, 2560, 2643, 3072, 3238, 3524, 3840, 4405, 4857, 5120, 5286, 6476, 7048, 7680, 8095, 8810, 9714, 10572, 12952, 13215, 14096, 15360, 16190, 17620, 19428, 21144, 24285, 25904, 26430, 28192, 32380, 35240, 38856, 42288, 48570, 51808, 52860, 56384, 64760, 70480, 77712, 84576, 97140, 103616, 105720, 112768, 129520, 140960, 155424, 169152, 194280, 207232, 211440, 225536, 259040, 281920, 310848, 338304, 388560, 414464, 422880, 451072, 518080, 563840, 621696, 676608, 777120, 828928, 845760, 902144, 1036160, 1127680, 1243392, 1353216, 1426339, 1554240, 1657856, 1691520, 2072320, 2255360, 2486784, 2706432, 2852678, 3108480, 3383040, 4144640, 4279017, 4510720, 4973568, 5705356, 6216960, 6766080, 7131695, 8289280, 8558034, 11410712, 12433920, 13532160, 14263390, 17116068, 21395085, 22821424, 24867840, 28526780, 34232136, 42790170, 45642848, 57053560, 68464272, 85580340, 91285696, 114107120, 136928544, 171160680, 182571392, 228214240, 273857088, 342321360, 365142784, 456428480, 547714176, 684642720, 730285568, 912856960, 1095428352, 1369285440, 1460571136, 1825713920, 2190856704, 2738570880, 3651427840, 4381713408, 5477141760, 7302855680, 10954283520, 21908567040]

約数ペア:

[(1, 21908567040), (2, 10954283520), (3, 7302855680), (4, 5477141760), (5, 4381713408), (6, 3651427840), (8, 2738570880), (10, 2190856704), (12, 1825713920), (15, 1460571136), (16, 1369285440), (20, 1095428352), (24, 912856960), (30, 730285568), (32, 684642720), (40, 547714176), (48, 456428480), (60, 365142784), (64, 342321360), (80, 273857088), (96, 228214240), (120, 182571392), (128, 171160680), (160, 136928544), (192, 114107120), (240, 91285696), (256, 85580340), (320, 68464272), (384, 57053560), (480, 45642848), (512, 42790170), (640, 34232136), (768, 28526780), (881, 24867840), (960, 22821424), (1024, 21395085), (1280, 17116068), (1536, 14263390), (1619, 13532160), (1762, 12433920), (1920, 11410712), (2560, 8558034), (2643, 8289280), (3072, 7131695), (3238, 6766080), (3524, 6216960), (3840, 5705356), (4405, 4973568), (4857, 4510720), (5120, 4279017), (5286, 4144640), (6476, 3383040), (7048, 3108480), (7680, 2852678), (8095, 2706432), (8810, 2486784), (9714, 2255360), (10572, 2072320), (12952, 1691520), (13215, 1657856), (14096, 1554240), (15360, 1426339), (16190, 1353216), (17620, 1243392), (19428, 1127680), (21144, 1036160), (24285, 902144), (25904, 845760), (26430, 828928), (28192, 777120), (32380, 676608), (35240, 621696), (38856, 563840), (42288, 518080), (48570, 451072), (51808, 422880), (52860, 414464), (56384, 388560), (64760, 338304), (70480, 310848), (77712, 281920), (84576, 259040), (97140, 225536), (103616, 211440), (105720, 207232), (112768, 194280), (129520, 169152), (140960, 155424)]