254894080

素因数分解:

$2^{13}\times 5^1\times 7^2\times {\mathrm{127}}^1$

素因数の和:172

約数の個数: 168

約数和(自身を含む): 717182208

約数和(自身を除く): 462288128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 127, 128, 140, 160, 196, 224, 245, 254, 256, 280, 320, 392, 448, 490, 508, 512, 560, 635, 640, 784, 889, 896, 980, 1016, 1024, 1120, 1270, 1280, 1568, 1778, 1792, 1960, 2032, 2048, 2240, 2540, 2560, 3136, 3556, 3584, 3920, 4064, 4096, 4445, 4480, 5080, 5120, 6223, 6272, 7112, 7168, 7840, 8128, 8192, 8890, 8960, 10160, 10240, 12446, 12544, 14224, 14336, 15680, 16256, 17780, 17920, 20320, 20480, 24892, 25088, 28448, 28672, 31115, 31360, 32512, 35560, 35840, 40640, 40960, 49784, 50176, 56896, 57344, 62230, 62720, 65024, 71120, 71680, 81280, 99568, 100352, 113792, 124460, 125440, 130048, 142240, 143360, 162560, 199136, 200704, 227584, 248920, 250880, 260096, 284480, 286720, 325120, 398272, 401408, 455168, 497840, 501760, 520192, 568960, 650240, 796544, 910336, 995680, 1003520, 1040384, 1137920, 1300480, 1593088, 1820672, 1991360, 2007040, 2275840, 2600960, 3186176, 3641344, 3982720, 4551680, 5201920, 6372352, 7282688, 7965440, 9103360, 12744704, 15930880, 18206720, 25489408, 31861760, 36413440, 50978816, 63723520, 127447040, 254894080]

約数ペア:

[(1, 254894080), (2, 127447040), (4, 63723520), (5, 50978816), (7, 36413440), (8, 31861760), (10, 25489408), (14, 18206720), (16, 15930880), (20, 12744704), (28, 9103360), (32, 7965440), (35, 7282688), (40, 6372352), (49, 5201920), (56, 4551680), (64, 3982720), (70, 3641344), (80, 3186176), (98, 2600960), (112, 2275840), (127, 2007040), (128, 1991360), (140, 1820672), (160, 1593088), (196, 1300480), (224, 1137920), (245, 1040384), (254, 1003520), (256, 995680), (280, 910336), (320, 796544), (392, 650240), (448, 568960), (490, 520192), (508, 501760), (512, 497840), (560, 455168), (635, 401408), (640, 398272), (784, 325120), (889, 286720), (896, 284480), (980, 260096), (1016, 250880), (1024, 248920), (1120, 227584), (1270, 200704), (1280, 199136), (1568, 162560), (1778, 143360), (1792, 142240), (1960, 130048), (2032, 125440), (2048, 124460), (2240, 113792), (2540, 100352), (2560, 99568), (3136, 81280), (3556, 71680), (3584, 71120), (3920, 65024), (4064, 62720), (4096, 62230), (4445, 57344), (4480, 56896), (5080, 50176), (5120, 49784), (6223, 40960), (6272, 40640), (7112, 35840), (7168, 35560), (7840, 32512), (8128, 31360), (8192, 31115), (8890, 28672), (8960, 28448), (10160, 25088), (10240, 24892), (12446, 20480), (12544, 20320), (14224, 17920), (14336, 17780), (15680, 16256)]