19856489520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{31}}^2\times {\mathrm{251}}^1$

素因数の和:350

約数の個数: 480

約数和(自身を含む): 74470233600

約数和(自身を除く): 54613744080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 240, 245, 248, 251, 280, 294, 310, 336, 343, 372, 392, 420, 434, 465, 490, 496, 502, 560, 588, 620, 651, 686, 735, 744, 753, 784, 840, 868, 930, 961, 980, 1004, 1029, 1085, 1176, 1240, 1255, 1302, 1372, 1470, 1488, 1506, 1519, 1680, 1715, 1736, 1757, 1860, 1922, 1960, 2008, 2058, 2170, 2352, 2480, 2510, 2604, 2744, 2883, 2940, 3012, 3038, 3255, 3430, 3472, 3514, 3720, 3765, 3844, 3920, 4016, 4116, 4340, 4557, 4805, 5020, 5145, 5208, 5271, 5488, 5766, 5880, 6024, 6076, 6510, 6727, 6860, 7028, 7440, 7530, 7595, 7688, 7781, 8232, 8680, 8785, 9114, 9610, 10040, 10290, 10416, 10542, 10633, 11532, 11760, 12048, 12152, 12299, 13020, 13454, 13720, 14056, 14415, 15060, 15190, 15376, 15562, 16464, 17360, 17570, 18228, 19220, 20080, 20181, 20580, 21084, 21266, 22785, 23064, 23343, 24304, 24598, 26040, 26355, 26908, 27440, 28112, 28830, 30120, 30380, 31124, 31899, 33635, 35140, 36456, 36897, 38440, 38905, 40362, 41160, 42168, 42532, 45570, 46128, 46686, 47089, 49196, 52080, 52710, 53165, 53816, 54467, 57660, 60240, 60760, 61495, 62248, 63798, 67270, 70280, 72912, 73794, 76880, 77810, 80724, 82320, 84336, 85064, 86093, 91140, 93372, 94178, 98392, 100905, 105420, 106330, 107632, 108934, 115320, 116715, 121520, 122990, 124496, 127596, 134540, 140560, 141267, 147588, 155620, 159495, 161448, 163401, 170128, 172186, 182280, 184485, 186744, 188356, 196784, 201810, 210840, 212660, 217868, 230640, 233430, 235445, 241211, 245980, 255192, 258279, 269080, 272335, 282534, 295176, 311240, 318990, 322896, 326802, 329623, 344372, 364560, 368970, 373488, 376712, 381269, 403620, 421680, 425320, 430465, 435736, 466860, 470890, 482422, 491960, 510384, 516558, 538160, 544670, 565068, 590352, 622480, 637980, 653604, 659246, 688744, 706335, 723633, 737940, 753424, 762538, 807240, 817005, 850640, 860930, 871472, 933720, 941780, 964844, 983920, 988869, 1033116, 1089340, 1130136, 1143807, 1206055, 1275960, 1291395, 1307208, 1318492, 1377488, 1412670, 1447266, 1475880, 1525076, 1614480, 1634010, 1648115, 1688477, 1721860, 1867440, 1883560, 1906345, 1929688, 1977738, 2066232, 2178680, 2260272, 2287614, 2412110, 2551920, 2582790, 2614416, 2636984, 2668883, 2825340, 2894532, 2951760, 3050152, 3268020, 3296230, 3376954, 3443720, 3618165, 3767120, 3812690, 3859376, 3955476, 4132464, 4357360, 4575228, 4824220, 4944345, 5065431, 5165580, 5273968, 5337766, 5650680, 5719035, 5789064, 6100304, 6536040, 6592460, 6753908, 6887440, 7236330, 7625380, 7910952, 8006649, 8442385, 9150456, 9648440, 9888690, 10130862, 10331160, 10675532, 11301360, 11438070, 11578128, 11819339, 13072080, 13184920, 13344415, 13507816, 14472660, 15250760, 15821904, 16013298, 16884770, 18300912, 19296880, 19777380, 20261724, 20662320, 21351064, 22876140, 23638678, 25327155, 26369840, 26688830, 27015632, 28945320, 30501520, 32026596, 33769540, 35458017, 39554760, 40033245, 40523448, 42702128, 45752280, 47277356, 50654310, 53377660, 57890640, 59096695, 64053192, 67539080, 70916034, 79109520, 80066490, 81046896, 82735373, 91504560, 94554712, 101308620, 106755320, 118193390, 128106384, 135078160, 141832068, 160132980, 165470746, 177290085, 189109424, 202617240, 213510640, 236386780, 248206119, 283664136, 320265960, 330941492, 354580170, 405234480, 413676865, 472773560, 496412238, 567328272, 640531920, 661882984, 709160340, 827353730, 945547120, 992824476, 1241030595, 1323765968, 1418320680, 1654707460, 1985648952, 2482061190, 2836641360, 3309414920, 3971297904, 4964122380, 6618829840, 9928244760, 19856489520]

約数ペア:

[(1, 19856489520), (2, 9928244760), (3, 6618829840), (4, 4964122380), (5, 3971297904), (6, 3309414920), (7, 2836641360), (8, 2482061190), (10, 1985648952), (12, 1654707460), (14, 1418320680), (15, 1323765968), (16, 1241030595), (20, 992824476), (21, 945547120), (24, 827353730), (28, 709160340), (30, 661882984), (31, 640531920), (35, 567328272), (40, 496412238), (42, 472773560), (48, 413676865), (49, 405234480), (56, 354580170), (60, 330941492), (62, 320265960), (70, 283664136), (80, 248206119), (84, 236386780), (93, 213510640), (98, 202617240), (105, 189109424), (112, 177290085), (120, 165470746), (124, 160132980), (140, 141832068), (147, 135078160), (155, 128106384), (168, 118193390), (186, 106755320), (196, 101308620), (210, 94554712), (217, 91504560), (240, 82735373), (245, 81046896), (248, 80066490), (251, 79109520), (280, 70916034), (294, 67539080), (310, 64053192), (336, 59096695), (343, 57890640), (372, 53377660), (392, 50654310), (420, 47277356), (434, 45752280), (465, 42702128), (490, 40523448), (496, 40033245), (502, 39554760), (560, 35458017), (588, 33769540), (620, 32026596), (651, 30501520), (686, 28945320), (735, 27015632), (744, 26688830), (753, 26369840), (784, 25327155), (840, 23638678), (868, 22876140), (930, 21351064), (961, 20662320), (980, 20261724), (1004, 19777380), (1029, 19296880), (1085, 18300912), (1176, 16884770), (1240, 16013298), (1255, 15821904), (1302, 15250760), (1372, 14472660), (1470, 13507816), (1488, 13344415), (1506, 13184920), (1519, 13072080), (1680, 11819339), (1715, 11578128), (1736, 11438070), (1757, 11301360), (1860, 10675532), (1922, 10331160), (1960, 10130862), (2008, 9888690), (2058, 9648440), (2170, 9150456), (2352, 8442385), (2480, 8006649), (2510, 7910952), (2604, 7625380), (2744, 7236330), (2883, 6887440), (2940, 6753908), (3012, 6592460), (3038, 6536040), (3255, 6100304), (3430, 5789064), (3472, 5719035), (3514, 5650680), (3720, 5337766), (3765, 5273968), (3844, 5165580), (3920, 5065431), (4016, 4944345), (4116, 4824220), (4340, 4575228), (4557, 4357360), (4805, 4132464), (5020, 3955476), (5145, 3859376), (5208, 3812690), (5271, 3767120), (5488, 3618165), (5766, 3443720), (5880, 3376954), (6024, 3296230), (6076, 3268020), (6510, 3050152), (6727, 2951760), (6860, 2894532), (7028, 2825340), (7440, 2668883), (7530, 2636984), (7595, 2614416), (7688, 2582790), (7781, 2551920), (8232, 2412110), (8680, 2287614), (8785, 2260272), (9114, 2178680), (9610, 2066232), (10040, 1977738), (10290, 1929688), (10416, 1906345), (10542, 1883560), (10633, 1867440), (11532, 1721860), (11760, 1688477), (12048, 1648115), (12152, 1634010), (12299, 1614480), (13020, 1525076), (13454, 1475880), (13720, 1447266), (14056, 1412670), (14415, 1377488), (15060, 1318492), (15190, 1307208), (15376, 1291395), (15562, 1275960), (16464, 1206055), (17360, 1143807), (17570, 1130136), (18228, 1089340), (19220, 1033116), (20080, 988869), (20181, 983920), (20580, 964844), (21084, 941780), (21266, 933720), (22785, 871472), (23064, 860930), (23343, 850640), (24304, 817005), (24598, 807240), (26040, 762538), (26355, 753424), (26908, 737940), (27440, 723633), (28112, 706335), (28830, 688744), (30120, 659246), (30380, 653604), (31124, 637980), (31899, 622480), (33635, 590352), (35140, 565068), (36456, 544670), (36897, 538160), (38440, 516558), (38905, 510384), (40362, 491960), (41160, 482422), (42168, 470890), (42532, 466860), (45570, 435736), (46128, 430465), (46686, 425320), (47089, 421680), (49196, 403620), (52080, 381269), (52710, 376712), (53165, 373488), (53816, 368970), (54467, 364560), (57660, 344372), (60240, 329623), (60760, 326802), (61495, 322896), (62248, 318990), (63798, 311240), (67270, 295176), (70280, 282534), (72912, 272335), (73794, 269080), (76880, 258279), (77810, 255192), (80724, 245980), (82320, 241211), (84336, 235445), (85064, 233430), (86093, 230640), (91140, 217868), (93372, 212660), (94178, 210840), (98392, 201810), (100905, 196784), (105420, 188356), (106330, 186744), (107632, 184485), (108934, 182280), (115320, 172186), (116715, 170128), (121520, 163401), (122990, 161448), (124496, 159495), (127596, 155620), (134540, 147588), (140560, 141267)]