219781120

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 575527680

約数和(自身を除く): 355746560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 169, 208, 254, 256, 260, 320, 338, 416, 508, 512, 520, 635, 640, 676, 832, 845, 1016, 1024, 1040, 1270, 1280, 1352, 1651, 1664, 1690, 2032, 2048, 2080, 2540, 2560, 2704, 3302, 3328, 3380, 4064, 4160, 5080, 5120, 5408, 6604, 6656, 6760, 8128, 8255, 8320, 10160, 10240, 10816, 13208, 13312, 13520, 16256, 16510, 16640, 20320, 21463, 21632, 26416, 26624, 27040, 32512, 33020, 33280, 40640, 42926, 43264, 52832, 54080, 65024, 66040, 66560, 81280, 85852, 86528, 105664, 107315, 108160, 130048, 132080, 133120, 162560, 171704, 173056, 211328, 214630, 216320, 260096, 264160, 325120, 343408, 346112, 422656, 429260, 432640, 528320, 650240, 686816, 845312, 858520, 865280, 1056640, 1300480, 1373632, 1690624, 1717040, 1730560, 2113280, 2747264, 3381248, 3434080, 4226560, 5494528, 6868160, 8453120, 10989056, 13736320, 16906240, 21978112, 27472640, 43956224, 54945280, 109890560, 219781120]

約数ペア:

[(1, 219781120), (2, 109890560), (4, 54945280), (5, 43956224), (8, 27472640), (10, 21978112), (13, 16906240), (16, 13736320), (20, 10989056), (26, 8453120), (32, 6868160), (40, 5494528), (52, 4226560), (64, 3434080), (65, 3381248), (80, 2747264), (104, 2113280), (127, 1730560), (128, 1717040), (130, 1690624), (160, 1373632), (169, 1300480), (208, 1056640), (254, 865280), (256, 858520), (260, 845312), (320, 686816), (338, 650240), (416, 528320), (508, 432640), (512, 429260), (520, 422656), (635, 346112), (640, 343408), (676, 325120), (832, 264160), (845, 260096), (1016, 216320), (1024, 214630), (1040, 211328), (1270, 173056), (1280, 171704), (1352, 162560), (1651, 133120), (1664, 132080), (1690, 130048), (2032, 108160), (2048, 107315), (2080, 105664), (2540, 86528), (2560, 85852), (2704, 81280), (3302, 66560), (3328, 66040), (3380, 65024), (4064, 54080), (4160, 52832), (5080, 43264), (5120, 42926), (5408, 40640), (6604, 33280), (6656, 33020), (6760, 32512), (8128, 27040), (8255, 26624), (8320, 26416), (10160, 21632), (10240, 21463), (10816, 20320), (13208, 16640), (13312, 16510), (13520, 16256)]