217667840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 571404288

約数和(自身を除く): 353736448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 103, 104, 127, 128, 130, 160, 206, 208, 254, 256, 260, 320, 412, 416, 508, 515, 520, 635, 640, 824, 832, 1016, 1030, 1040, 1270, 1280, 1339, 1648, 1651, 1664, 2032, 2060, 2080, 2540, 2678, 3296, 3302, 3328, 4064, 4120, 4160, 5080, 5356, 6592, 6604, 6695, 8128, 8240, 8255, 8320, 10160, 10712, 13081, 13184, 13208, 13390, 16256, 16480, 16510, 16640, 20320, 21424, 26162, 26368, 26416, 26780, 32512, 32960, 33020, 40640, 42848, 52324, 52832, 53560, 65405, 65920, 66040, 81280, 85696, 104648, 105664, 107120, 130810, 131840, 132080, 162560, 170053, 171392, 209296, 211328, 214240, 261620, 264160, 340106, 342784, 418592, 422656, 428480, 523240, 528320, 680212, 837184, 850265, 856960, 1046480, 1056640, 1360424, 1674368, 1700530, 1713920, 2092960, 2113280, 2720848, 3348736, 3401060, 4185920, 5441696, 6802120, 8371840, 10883392, 13604240, 16743680, 21766784, 27208480, 43533568, 54416960, 108833920, 217667840]

約数ペア:

[(1, 217667840), (2, 108833920), (4, 54416960), (5, 43533568), (8, 27208480), (10, 21766784), (13, 16743680), (16, 13604240), (20, 10883392), (26, 8371840), (32, 6802120), (40, 5441696), (52, 4185920), (64, 3401060), (65, 3348736), (80, 2720848), (103, 2113280), (104, 2092960), (127, 1713920), (128, 1700530), (130, 1674368), (160, 1360424), (206, 1056640), (208, 1046480), (254, 856960), (256, 850265), (260, 837184), (320, 680212), (412, 528320), (416, 523240), (508, 428480), (515, 422656), (520, 418592), (635, 342784), (640, 340106), (824, 264160), (832, 261620), (1016, 214240), (1030, 211328), (1040, 209296), (1270, 171392), (1280, 170053), (1339, 162560), (1648, 132080), (1651, 131840), (1664, 130810), (2032, 107120), (2060, 105664), (2080, 104648), (2540, 85696), (2678, 81280), (3296, 66040), (3302, 65920), (3328, 65405), (4064, 53560), (4120, 52832), (4160, 52324), (5080, 42848), (5356, 40640), (6592, 33020), (6604, 32960), (6695, 32512), (8128, 26780), (8240, 26416), (8255, 26368), (8320, 26162), (10160, 21424), (10712, 20320), (13081, 16640), (13184, 16510), (13208, 16480), (13390, 16256)]