20391526400

素因数分解:

$2^{17}\times 5^2\times 7^2\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 324

約数和(自身を含む): 59290455168

約数和(自身を除く): 38898928768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 127, 128, 140, 160, 175, 196, 200, 224, 245, 254, 256, 280, 320, 350, 392, 400, 448, 490, 508, 512, 560, 635, 640, 700, 784, 800, 889, 896, 980, 1016, 1024, 1120, 1225, 1270, 1280, 1400, 1568, 1600, 1778, 1792, 1960, 2032, 2048, 2240, 2450, 2540, 2560, 2800, 3136, 3175, 3200, 3556, 3584, 3920, 4064, 4096, 4445, 4480, 4900, 5080, 5120, 5600, 6223, 6272, 6350, 6400, 7112, 7168, 7840, 8128, 8192, 8890, 8960, 9800, 10160, 10240, 11200, 12446, 12544, 12700, 12800, 14224, 14336, 15680, 16256, 16384, 17780, 17920, 19600, 20320, 20480, 22225, 22400, 24892, 25088, 25400, 25600, 28448, 28672, 31115, 31360, 32512, 32768, 35560, 35840, 39200, 40640, 40960, 44450, 44800, 49784, 50176, 50800, 51200, 56896, 57344, 62230, 62720, 65024, 65536, 71120, 71680, 78400, 81280, 81920, 88900, 89600, 99568, 100352, 101600, 102400, 113792, 114688, 124460, 125440, 130048, 131072, 142240, 143360, 155575, 156800, 162560, 163840, 177800, 179200, 199136, 200704, 203200, 204800, 227584, 229376, 248920, 250880, 260096, 284480, 286720, 311150, 313600, 325120, 327680, 355600, 358400, 398272, 401408, 406400, 409600, 455168, 458752, 497840, 501760, 520192, 568960, 573440, 622300, 627200, 650240, 655360, 711200, 716800, 796544, 802816, 812800, 819200, 910336, 917504, 995680, 1003520, 1040384, 1137920, 1146880, 1244600, 1254400, 1300480, 1422400, 1433600, 1593088, 1605632, 1625600, 1638400, 1820672, 1991360, 2007040, 2080768, 2275840, 2293760, 2489200, 2508800, 2600960, 2844800, 2867200, 3186176, 3211264, 3251200, 3276800, 3641344, 3982720, 4014080, 4161536, 4551680, 4587520, 4978400, 5017600, 5201920, 5689600, 5734400, 6372352, 6422528, 6502400, 7282688, 7965440, 8028160, 8323072, 9103360, 9956800, 10035200, 10403840, 11379200, 11468800, 12744704, 13004800, 14565376, 15930880, 16056320, 16646144, 18206720, 19913600, 20070400, 20807680, 22758400, 22937600, 25489408, 26009600, 29130752, 31861760, 32112640, 36413440, 39827200, 40140800, 41615360, 45516800, 50978816, 52019200, 58261504, 63723520, 72826880, 79654400, 80281600, 83230720, 91033600, 101957632, 104038400, 116523008, 127447040, 145653760, 159308800, 160563200, 182067200, 203915264, 208076800, 254894080, 291307520, 318617600, 364134400, 407830528, 416153600, 509788160, 582615040, 637235200, 728268800, 815661056, 1019576320, 1274470400, 1456537600, 2039152640, 2548940800, 2913075200, 4078305280, 5097881600, 10195763200, 20391526400]

約数ペア:

[(1, 20391526400), (2, 10195763200), (4, 5097881600), (5, 4078305280), (7, 2913075200), (8, 2548940800), (10, 2039152640), (14, 1456537600), (16, 1274470400), (20, 1019576320), (25, 815661056), (28, 728268800), (32, 637235200), (35, 582615040), (40, 509788160), (49, 416153600), (50, 407830528), (56, 364134400), (64, 318617600), (70, 291307520), (80, 254894080), (98, 208076800), (100, 203915264), (112, 182067200), (127, 160563200), (128, 159308800), (140, 145653760), (160, 127447040), (175, 116523008), (196, 104038400), (200, 101957632), (224, 91033600), (245, 83230720), (254, 80281600), (256, 79654400), (280, 72826880), (320, 63723520), (350, 58261504), (392, 52019200), (400, 50978816), (448, 45516800), (490, 41615360), (508, 40140800), (512, 39827200), (560, 36413440), (635, 32112640), (640, 31861760), (700, 29130752), (784, 26009600), (800, 25489408), (889, 22937600), (896, 22758400), (980, 20807680), (1016, 20070400), (1024, 19913600), (1120, 18206720), (1225, 16646144), (1270, 16056320), (1280, 15930880), (1400, 14565376), (1568, 13004800), (1600, 12744704), (1778, 11468800), (1792, 11379200), (1960, 10403840), (2032, 10035200), (2048, 9956800), (2240, 9103360), (2450, 8323072), (2540, 8028160), (2560, 7965440), (2800, 7282688), (3136, 6502400), (3175, 6422528), (3200, 6372352), (3556, 5734400), (3584, 5689600), (3920, 5201920), (4064, 5017600), (4096, 4978400), (4445, 4587520), (4480, 4551680), (4900, 4161536), (5080, 4014080), (5120, 3982720), (5600, 3641344), (6223, 3276800), (6272, 3251200), (6350, 3211264), (6400, 3186176), (7112, 2867200), (7168, 2844800), (7840, 2600960), (8128, 2508800), (8192, 2489200), (8890, 2293760), (8960, 2275840), (9800, 2080768), (10160, 2007040), (10240, 1991360), (11200, 1820672), (12446, 1638400), (12544, 1625600), (12700, 1605632), (12800, 1593088), (14224, 1433600), (14336, 1422400), (15680, 1300480), (16256, 1254400), (16384, 1244600), (17780, 1146880), (17920, 1137920), (19600, 1040384), (20320, 1003520), (20480, 995680), (22225, 917504), (22400, 910336), (24892, 819200), (25088, 812800), (25400, 802816), (25600, 796544), (28448, 716800), (28672, 711200), (31115, 655360), (31360, 650240), (32512, 627200), (32768, 622300), (35560, 573440), (35840, 568960), (39200, 520192), (40640, 501760), (40960, 497840), (44450, 458752), (44800, 455168), (49784, 409600), (50176, 406400), (50800, 401408), (51200, 398272), (56896, 358400), (57344, 355600), (62230, 327680), (62720, 325120), (65024, 313600), (65536, 311150), (71120, 286720), (71680, 284480), (78400, 260096), (81280, 250880), (81920, 248920), (88900, 229376), (89600, 227584), (99568, 204800), (100352, 203200), (101600, 200704), (102400, 199136), (113792, 179200), (114688, 177800), (124460, 163840), (125440, 162560), (130048, 156800), (131072, 155575), (142240, 143360)]