18716508160

素因数分解:

$2^{14}\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:424

約数の個数: 240

約数和(自身を含む): 51940675584

約数和(自身を除く): 33224167424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 256, 257, 280, 320, 448, 508, 512, 514, 560, 635, 640, 889, 896, 1016, 1024, 1028, 1120, 1270, 1280, 1285, 1778, 1792, 1799, 2032, 2048, 2056, 2240, 2540, 2560, 2570, 3556, 3584, 3598, 4064, 4096, 4112, 4445, 4480, 5080, 5120, 5140, 7112, 7168, 7196, 8128, 8192, 8224, 8890, 8960, 8995, 10160, 10240, 10280, 14224, 14336, 14392, 16256, 16384, 16448, 17780, 17920, 17990, 20320, 20480, 20560, 28448, 28672, 28784, 32512, 32639, 32896, 35560, 35840, 35980, 40640, 40960, 41120, 56896, 57344, 57568, 65024, 65278, 65792, 71120, 71680, 71960, 81280, 81920, 82240, 113792, 114688, 115136, 130048, 130556, 131584, 142240, 143360, 143920, 162560, 163195, 164480, 227584, 228473, 230272, 260096, 261112, 263168, 284480, 286720, 287840, 325120, 326390, 328960, 455168, 456946, 460544, 520192, 522224, 526336, 568960, 573440, 575680, 650240, 652780, 657920, 910336, 913892, 921088, 1040384, 1044448, 1052672, 1137920, 1142365, 1151360, 1300480, 1305560, 1315840, 1820672, 1827784, 1842176, 2080768, 2088896, 2105344, 2275840, 2284730, 2302720, 2600960, 2611120, 2631680, 3641344, 3655568, 3684352, 4177792, 4210688, 4551680, 4569460, 4605440, 5201920, 5222240, 5263360, 7282688, 7311136, 7368704, 8355584, 9103360, 9138920, 9210880, 10403840, 10444480, 10526720, 14565376, 14622272, 14737408, 16711168, 18206720, 18277840, 18421760, 20888960, 21053440, 29244544, 29474816, 33422336, 36413440, 36555680, 36843520, 41777920, 58489088, 66844672, 72826880, 73111360, 73687040, 83555840, 116978176, 133689344, 146222720, 147374080, 167111680, 233956352, 267378688, 292445440, 334223360, 467912704, 534757376, 584890880, 668446720, 935825408, 1169781760, 1336893440, 1871650816, 2339563520, 2673786880, 3743301632, 4679127040, 9358254080, 18716508160]

約数ペア:

[(1, 18716508160), (2, 9358254080), (4, 4679127040), (5, 3743301632), (7, 2673786880), (8, 2339563520), (10, 1871650816), (14, 1336893440), (16, 1169781760), (20, 935825408), (28, 668446720), (32, 584890880), (35, 534757376), (40, 467912704), (56, 334223360), (64, 292445440), (70, 267378688), (80, 233956352), (112, 167111680), (127, 147374080), (128, 146222720), (140, 133689344), (160, 116978176), (224, 83555840), (254, 73687040), (256, 73111360), (257, 72826880), (280, 66844672), (320, 58489088), (448, 41777920), (508, 36843520), (512, 36555680), (514, 36413440), (560, 33422336), (635, 29474816), (640, 29244544), (889, 21053440), (896, 20888960), (1016, 18421760), (1024, 18277840), (1028, 18206720), (1120, 16711168), (1270, 14737408), (1280, 14622272), (1285, 14565376), (1778, 10526720), (1792, 10444480), (1799, 10403840), (2032, 9210880), (2048, 9138920), (2056, 9103360), (2240, 8355584), (2540, 7368704), (2560, 7311136), (2570, 7282688), (3556, 5263360), (3584, 5222240), (3598, 5201920), (4064, 4605440), (4096, 4569460), (4112, 4551680), (4445, 4210688), (4480, 4177792), (5080, 3684352), (5120, 3655568), (5140, 3641344), (7112, 2631680), (7168, 2611120), (7196, 2600960), (8128, 2302720), (8192, 2284730), (8224, 2275840), (8890, 2105344), (8960, 2088896), (8995, 2080768), (10160, 1842176), (10240, 1827784), (10280, 1820672), (14224, 1315840), (14336, 1305560), (14392, 1300480), (16256, 1151360), (16384, 1142365), (16448, 1137920), (17780, 1052672), (17920, 1044448), (17990, 1040384), (20320, 921088), (20480, 913892), (20560, 910336), (28448, 657920), (28672, 652780), (28784, 650240), (32512, 575680), (32639, 573440), (32896, 568960), (35560, 526336), (35840, 522224), (35980, 520192), (40640, 460544), (40960, 456946), (41120, 455168), (56896, 328960), (57344, 326390), (57568, 325120), (65024, 287840), (65278, 286720), (65792, 284480), (71120, 263168), (71680, 261112), (71960, 260096), (81280, 230272), (81920, 228473), (82240, 227584), (113792, 164480), (114688, 163195), (115136, 162560), (130048, 143920), (130556, 143360), (131584, 142240)]