20731495680

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{811}}^1$

素因数の和:1162

約数の個数: 432

約数和(自身を含む): 82335786624

約数和(自身を除く): 61604290944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 317, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 634, 640, 672, 720, 768, 811, 840, 896, 951, 960, 1008, 1120, 1152, 1260, 1268, 1280, 1344, 1440, 1585, 1622, 1680, 1792, 1902, 1920, 2016, 2219, 2240, 2304, 2433, 2520, 2536, 2688, 2853, 2880, 3170, 3244, 3360, 3804, 3840, 4032, 4055, 4438, 4480, 4755, 4866, 5040, 5072, 5376, 5677, 5706, 5760, 6340, 6488, 6657, 6720, 7299, 7608, 8064, 8110, 8876, 8960, 9510, 9732, 10080, 10144, 11095, 11354, 11412, 11520, 12165, 12680, 12976, 13314, 13440, 14265, 14598, 15216, 16128, 16220, 17031, 17752, 19020, 19464, 19971, 20160, 20288, 22190, 22708, 22824, 24330, 25360, 25952, 26628, 26880, 28385, 28530, 29196, 30432, 32440, 33285, 34062, 35504, 36495, 38040, 38928, 39942, 40320, 40576, 44380, 45416, 45648, 48660, 50720, 51093, 51904, 53256, 56770, 57060, 58392, 60864, 64880, 66570, 68124, 71008, 72990, 76080, 77856, 79884, 80640, 81152, 85155, 88760, 90832, 91296, 97320, 99855, 101440, 102186, 103808, 106512, 113540, 114120, 116784, 121728, 129760, 133140, 136248, 142016, 145980, 152160, 155712, 159768, 170310, 177520, 181664, 182592, 194640, 199710, 202880, 204372, 207616, 213024, 227080, 228240, 233568, 243456, 255465, 257087, 259520, 266280, 272496, 284032, 291960, 304320, 311424, 319536, 340620, 355040, 363328, 365184, 389280, 399420, 405760, 408744, 426048, 454160, 456480, 467136, 510930, 514174, 519040, 532560, 544992, 568064, 583920, 608640, 622848, 639072, 681240, 710080, 726656, 730368, 771261, 778560, 798840, 817488, 852096, 908320, 912960, 934272, 1021860, 1028348, 1038080, 1065120, 1089984, 1167840, 1217280, 1278144, 1285435, 1362480, 1420160, 1453312, 1542522, 1557120, 1597680, 1634976, 1704192, 1799609, 1816640, 1825920, 1868544, 2043720, 2056696, 2130240, 2179968, 2313783, 2335680, 2556288, 2570870, 2724960, 2840320, 3085044, 3114240, 3195360, 3269952, 3599218, 3633280, 3651840, 3856305, 4087440, 4113392, 4260480, 4359936, 4627566, 4671360, 5112576, 5141740, 5398827, 5449920, 6170088, 6390720, 6539904, 7198436, 7266560, 7712610, 8174880, 8226784, 8520960, 8998045, 9255132, 9342720, 10283480, 10797654, 10899840, 11568915, 12340176, 12781440, 13079808, 14396872, 15425220, 16196481, 16349760, 16453568, 17996090, 18510264, 20566960, 21595308, 21799680, 23137830, 24680352, 25562880, 26994135, 28793744, 30850440, 32392962, 32699520, 32907136, 35992180, 37020528, 41133920, 43190616, 46275660, 49360704, 53988270, 57587488, 61700880, 64785924, 65399040, 65814272, 71984360, 74041056, 80982405, 82267840, 86381232, 92551320, 98721408, 107976540, 115174976, 123401760, 129571848, 143968720, 148082112, 161964810, 164535680, 172762464, 185102640, 197442816, 215953080, 230349952, 246803520, 259143696, 287937440, 296164224, 323929620, 329071360, 345524928, 370205280, 431906160, 460699904, 493607040, 518287392, 575874880, 592328448, 647859240, 691049856, 740410560, 863812320, 987214080, 1036574784, 1151749760, 1295718480, 1382099712, 1480821120, 1727624640, 2073149568, 2303499520, 2591436960, 2961642240, 3455249280, 4146299136, 5182873920, 6910498560, 10365747840, 20731495680]

約数ペア:

[(1, 20731495680), (2, 10365747840), (3, 6910498560), (4, 5182873920), (5, 4146299136), (6, 3455249280), (7, 2961642240), (8, 2591436960), (9, 2303499520), (10, 2073149568), (12, 1727624640), (14, 1480821120), (15, 1382099712), (16, 1295718480), (18, 1151749760), (20, 1036574784), (21, 987214080), (24, 863812320), (28, 740410560), (30, 691049856), (32, 647859240), (35, 592328448), (36, 575874880), (40, 518287392), (42, 493607040), (45, 460699904), (48, 431906160), (56, 370205280), (60, 345524928), (63, 329071360), (64, 323929620), (70, 296164224), (72, 287937440), (80, 259143696), (84, 246803520), (90, 230349952), (96, 215953080), (105, 197442816), (112, 185102640), (120, 172762464), (126, 164535680), (128, 161964810), (140, 148082112), (144, 143968720), (160, 129571848), (168, 123401760), (180, 115174976), (192, 107976540), (210, 98721408), (224, 92551320), (240, 86381232), (252, 82267840), (256, 80982405), (280, 74041056), (288, 71984360), (315, 65814272), (317, 65399040), (320, 64785924), (336, 61700880), (360, 57587488), (384, 53988270), (420, 49360704), (448, 46275660), (480, 43190616), (504, 41133920), (560, 37020528), (576, 35992180), (630, 32907136), (634, 32699520), (640, 32392962), (672, 30850440), (720, 28793744), (768, 26994135), (811, 25562880), (840, 24680352), (896, 23137830), (951, 21799680), (960, 21595308), (1008, 20566960), (1120, 18510264), (1152, 17996090), (1260, 16453568), (1268, 16349760), (1280, 16196481), (1344, 15425220), (1440, 14396872), (1585, 13079808), (1622, 12781440), (1680, 12340176), (1792, 11568915), (1902, 10899840), (1920, 10797654), (2016, 10283480), (2219, 9342720), (2240, 9255132), (2304, 8998045), (2433, 8520960), (2520, 8226784), (2536, 8174880), (2688, 7712610), (2853, 7266560), (2880, 7198436), (3170, 6539904), (3244, 6390720), (3360, 6170088), (3804, 5449920), (3840, 5398827), (4032, 5141740), (4055, 5112576), (4438, 4671360), (4480, 4627566), (4755, 4359936), (4866, 4260480), (5040, 4113392), (5072, 4087440), (5376, 3856305), (5677, 3651840), (5706, 3633280), (5760, 3599218), (6340, 3269952), (6488, 3195360), (6657, 3114240), (6720, 3085044), (7299, 2840320), (7608, 2724960), (8064, 2570870), (8110, 2556288), (8876, 2335680), (8960, 2313783), (9510, 2179968), (9732, 2130240), (10080, 2056696), (10144, 2043720), (11095, 1868544), (11354, 1825920), (11412, 1816640), (11520, 1799609), (12165, 1704192), (12680, 1634976), (12976, 1597680), (13314, 1557120), (13440, 1542522), (14265, 1453312), (14598, 1420160), (15216, 1362480), (16128, 1285435), (16220, 1278144), (17031, 1217280), (17752, 1167840), (19020, 1089984), (19464, 1065120), (19971, 1038080), (20160, 1028348), (20288, 1021860), (22190, 934272), (22708, 912960), (22824, 908320), (24330, 852096), (25360, 817488), (25952, 798840), (26628, 778560), (26880, 771261), (28385, 730368), (28530, 726656), (29196, 710080), (30432, 681240), (32440, 639072), (33285, 622848), (34062, 608640), (35504, 583920), (36495, 568064), (38040, 544992), (38928, 532560), (39942, 519040), (40320, 514174), (40576, 510930), (44380, 467136), (45416, 456480), (45648, 454160), (48660, 426048), (50720, 408744), (51093, 405760), (51904, 399420), (53256, 389280), (56770, 365184), (57060, 363328), (58392, 355040), (60864, 340620), (64880, 319536), (66570, 311424), (68124, 304320), (71008, 291960), (72990, 284032), (76080, 272496), (77856, 266280), (79884, 259520), (80640, 257087), (81152, 255465), (85155, 243456), (88760, 233568), (90832, 228240), (91296, 227080), (97320, 213024), (99855, 207616), (101440, 204372), (102186, 202880), (103808, 199710), (106512, 194640), (113540, 182592), (114120, 181664), (116784, 177520), (121728, 170310), (129760, 159768), (133140, 155712), (136248, 152160), (142016, 145980)]