281245440

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{10463}}^1$

素因数の和:10494

約数の個数: 144

約数和(自身を含む): 1026643968

約数和(自身を除く): 745398528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 10463, 13440, 20926, 26880, 31389, 41852, 52315, 62778, 73241, 83704, 104630, 125556, 146482, 156945, 167408, 209260, 219723, 251112, 292964, 313890, 334816, 366205, 418520, 439446, 502224, 585928, 627780, 669632, 732410, 837040, 878892, 1004448, 1098615, 1171856, 1255560, 1339264, 1464820, 1674080, 1757784, 2008896, 2197230, 2343712, 2511120, 2678528, 2929640, 3348160, 3515568, 4017792, 4394460, 4687424, 5022240, 5859280, 6696320, 7031136, 8035584, 8788920, 9374848, 10044480, 11718560, 13392640, 14062272, 17577840, 18749696, 20088960, 23437120, 28124544, 35155680, 40177920, 46874240, 56249088, 70311360, 93748480, 140622720, 281245440]

約数ペア:

[(1, 281245440), (2, 140622720), (3, 93748480), (4, 70311360), (5, 56249088), (6, 46874240), (7, 40177920), (8, 35155680), (10, 28124544), (12, 23437120), (14, 20088960), (15, 18749696), (16, 17577840), (20, 14062272), (21, 13392640), (24, 11718560), (28, 10044480), (30, 9374848), (32, 8788920), (35, 8035584), (40, 7031136), (42, 6696320), (48, 5859280), (56, 5022240), (60, 4687424), (64, 4394460), (70, 4017792), (80, 3515568), (84, 3348160), (96, 2929640), (105, 2678528), (112, 2511120), (120, 2343712), (128, 2197230), (140, 2008896), (160, 1757784), (168, 1674080), (192, 1464820), (210, 1339264), (224, 1255560), (240, 1171856), (256, 1098615), (280, 1004448), (320, 878892), (336, 837040), (384, 732410), (420, 669632), (448, 627780), (480, 585928), (560, 502224), (640, 439446), (672, 418520), (768, 366205), (840, 334816), (896, 313890), (960, 292964), (1120, 251112), (1280, 219723), (1344, 209260), (1680, 167408), (1792, 156945), (1920, 146482), (2240, 125556), (2688, 104630), (3360, 83704), (3840, 73241), (4480, 62778), (5376, 52315), (6720, 41852), (8960, 31389), (10463, 26880), (13440, 20926)]