51571520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 336

約数和(自身を含む): 175125888

約数和(自身を除く): 123554368

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 23, 26, 28, 32, 35, 40, 44, 46, 49, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 92, 98, 104, 110, 112, 115, 130, 140, 143, 154, 160, 161, 176, 182, 184, 196, 208, 220, 224, 230, 245, 253, 260, 280, 286, 299, 308, 320, 322, 352, 364, 368, 385, 392, 416, 440, 448, 455, 460, 490, 506, 520, 539, 560, 572, 598, 616, 637, 644, 704, 715, 728, 736, 770, 784, 805, 832, 880, 910, 920, 980, 1001, 1012, 1040, 1078, 1120, 1127, 1144, 1196, 1232, 1265, 1274, 1288, 1430, 1456, 1472, 1495, 1540, 1568, 1610, 1760, 1771, 1820, 1840, 1960, 2002, 2024, 2080, 2093, 2156, 2240, 2254, 2288, 2392, 2464, 2530, 2548, 2576, 2695, 2860, 2912, 2990, 3080, 3136, 3185, 3220, 3289, 3520, 3542, 3640, 3680, 3920, 4004, 4048, 4160, 4186, 4312, 4508, 4576, 4784, 4928, 5005, 5060, 5096, 5152, 5390, 5635, 5720, 5824, 5980, 6160, 6370, 6440, 6578, 7007, 7084, 7280, 7360, 7840, 8008, 8096, 8372, 8624, 8855, 9016, 9152, 9568, 10010, 10120, 10192, 10304, 10465, 10780, 11270, 11440, 11960, 12320, 12397, 12740, 12880, 13156, 14014, 14168, 14560, 14651, 15680, 16016, 16192, 16445, 16744, 17248, 17710, 18032, 19136, 20020, 20240, 20384, 20930, 21560, 22540, 22880, 23023, 23920, 24640, 24794, 25480, 25760, 26312, 28028, 28336, 29120, 29302, 32032, 32890, 33488, 34496, 35035, 35420, 36064, 40040, 40480, 40768, 41860, 43120, 45080, 45760, 46046, 47840, 49588, 50960, 51520, 52624, 56056, 56672, 58604, 61985, 64064, 65780, 66976, 70070, 70840, 72128, 73255, 80080, 80960, 83720, 86240, 90160, 92092, 95680, 99176, 101920, 105248, 112112, 113344, 115115, 117208, 123970, 131560, 133952, 140140, 141680, 146510, 160160, 161161, 167440, 172480, 180320, 184184, 198352, 203840, 210496, 224224, 230230, 234416, 247940, 263120, 280280, 283360, 293020, 320320, 322322, 334880, 360640, 368368, 396704, 448448, 460460, 468832, 495880, 526240, 560560, 566720, 586040, 644644, 669760, 736736, 793408, 805805, 920920, 937664, 991760, 1052480, 1121120, 1172080, 1289288, 1473472, 1611610, 1841840, 1983520, 2242240, 2344160, 2578576, 3223220, 3683680, 3967040, 4688320, 5157152, 6446440, 7367360, 10314304, 12892880, 25785760, 51571520]

約数ペア:

[(1, 51571520), (2, 25785760), (4, 12892880), (5, 10314304), (7, 7367360), (8, 6446440), (10, 5157152), (11, 4688320), (13, 3967040), (14, 3683680), (16, 3223220), (20, 2578576), (22, 2344160), (23, 2242240), (26, 1983520), (28, 1841840), (32, 1611610), (35, 1473472), (40, 1289288), (44, 1172080), (46, 1121120), (49, 1052480), (52, 991760), (55, 937664), (56, 920920), (64, 805805), (65, 793408), (70, 736736), (77, 669760), (80, 644644), (88, 586040), (91, 566720), (92, 560560), (98, 526240), (104, 495880), (110, 468832), (112, 460460), (115, 448448), (130, 396704), (140, 368368), (143, 360640), (154, 334880), (160, 322322), (161, 320320), (176, 293020), (182, 283360), (184, 280280), (196, 263120), (208, 247940), (220, 234416), (224, 230230), (230, 224224), (245, 210496), (253, 203840), (260, 198352), (280, 184184), (286, 180320), (299, 172480), (308, 167440), (320, 161161), (322, 160160), (352, 146510), (364, 141680), (368, 140140), (385, 133952), (392, 131560), (416, 123970), (440, 117208), (448, 115115), (455, 113344), (460, 112112), (490, 105248), (506, 101920), (520, 99176), (539, 95680), (560, 92092), (572, 90160), (598, 86240), (616, 83720), (637, 80960), (644, 80080), (704, 73255), (715, 72128), (728, 70840), (736, 70070), (770, 66976), (784, 65780), (805, 64064), (832, 61985), (880, 58604), (910, 56672), (920, 56056), (980, 52624), (1001, 51520), (1012, 50960), (1040, 49588), (1078, 47840), (1120, 46046), (1127, 45760), (1144, 45080), (1196, 43120), (1232, 41860), (1265, 40768), (1274, 40480), (1288, 40040), (1430, 36064), (1456, 35420), (1472, 35035), (1495, 34496), (1540, 33488), (1568, 32890), (1610, 32032), (1760, 29302), (1771, 29120), (1820, 28336), (1840, 28028), (1960, 26312), (2002, 25760), (2024, 25480), (2080, 24794), (2093, 24640), (2156, 23920), (2240, 23023), (2254, 22880), (2288, 22540), (2392, 21560), (2464, 20930), (2530, 20384), (2548, 20240), (2576, 20020), (2695, 19136), (2860, 18032), (2912, 17710), (2990, 17248), (3080, 16744), (3136, 16445), (3185, 16192), (3220, 16016), (3289, 15680), (3520, 14651), (3542, 14560), (3640, 14168), (3680, 14014), (3920, 13156), (4004, 12880), (4048, 12740), (4160, 12397), (4186, 12320), (4312, 11960), (4508, 11440), (4576, 11270), (4784, 10780), (4928, 10465), (5005, 10304), (5060, 10192), (5096, 10120), (5152, 10010), (5390, 9568), (5635, 9152), (5720, 9016), (5824, 8855), (5980, 8624), (6160, 8372), (6370, 8096), (6440, 8008), (6578, 7840), (7007, 7360), (7084, 7280)]