20217496320

素因数分解:

$2^8\times 3^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:442

約数の個数: 720

約数和(自身を含む): 83872514880

約数和(自身を除く): 63655018560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 89, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 178, 180, 189, 192, 210, 216, 224, 240, 252, 256, 267, 270, 280, 288, 313, 315, 320, 324, 336, 356, 360, 378, 384, 405, 420, 432, 445, 448, 480, 504, 534, 540, 560, 567, 576, 623, 626, 630, 640, 648, 672, 712, 720, 756, 768, 801, 810, 840, 864, 890, 896, 939, 945, 960, 1008, 1068, 1080, 1120, 1134, 1152, 1246, 1252, 1260, 1280, 1296, 1335, 1344, 1424, 1440, 1512, 1565, 1602, 1620, 1680, 1728, 1780, 1792, 1869, 1878, 1890, 1920, 2016, 2136, 2160, 2191, 2240, 2268, 2304, 2403, 2492, 2504, 2520, 2592, 2670, 2688, 2817, 2835, 2848, 2880, 3024, 3115, 3130, 3204, 3240, 3360, 3456, 3560, 3738, 3756, 3780, 3840, 4005, 4032, 4272, 4320, 4382, 4480, 4536, 4695, 4806, 4984, 5008, 5040, 5184, 5340, 5376, 5607, 5634, 5670, 5696, 5760, 6048, 6230, 6260, 6408, 6480, 6573, 6720, 6912, 7120, 7209, 7476, 7512, 7560, 8010, 8064, 8451, 8544, 8640, 8764, 8960, 9072, 9345, 9390, 9612, 9968, 10016, 10080, 10368, 10680, 10955, 11214, 11268, 11340, 11392, 11520, 12015, 12096, 12460, 12520, 12816, 12960, 13146, 13440, 14085, 14240, 14418, 14952, 15024, 15120, 16020, 16128, 16821, 16902, 17088, 17280, 17528, 18144, 18690, 18780, 19224, 19719, 19936, 20032, 20160, 20736, 21360, 21910, 22428, 22536, 22680, 22784, 24030, 24192, 24920, 25040, 25353, 25632, 25920, 26292, 26880, 27857, 28035, 28170, 28480, 28836, 29904, 30048, 30240, 32040, 32865, 33642, 33804, 34176, 34560, 35056, 36045, 36288, 37380, 37560, 38448, 39438, 39872, 40064, 40320, 42255, 42720, 43820, 44856, 45072, 45360, 48060, 48384, 49840, 50080, 50463, 50706, 51264, 51840, 52584, 55714, 56070, 56340, 56960, 57672, 59157, 59808, 60096, 60480, 64080, 65730, 67284, 67608, 68352, 70112, 72090, 72576, 74760, 75120, 76896, 78876, 79744, 80128, 80640, 83571, 84105, 84510, 85440, 87640, 89712, 90144, 90720, 96120, 98595, 99680, 100160, 100926, 101412, 102528, 103680, 105168, 111428, 112140, 112680, 113920, 115344, 118314, 119616, 120192, 120960, 126765, 128160, 131460, 134568, 135216, 139285, 140224, 144180, 145152, 149520, 150240, 153792, 157752, 159488, 167142, 168210, 169020, 170880, 175280, 177471, 179424, 180288, 181440, 192240, 194999, 197190, 199360, 200320, 201852, 202824, 205056, 210336, 222856, 224280, 225360, 230688, 236628, 239232, 240384, 241920, 250713, 252315, 253530, 256320, 262920, 269136, 270432, 278570, 280448, 288360, 295785, 299040, 300480, 307584, 315504, 334284, 336420, 338040, 341760, 350560, 354942, 358848, 360576, 362880, 384480, 389998, 394380, 398720, 400640, 403704, 405648, 417855, 420672, 445712, 448560, 450720, 461376, 473256, 478464, 501426, 504630, 507060, 512640, 525840, 538272, 540864, 557140, 560896, 576720, 584997, 591570, 598080, 600960, 615168, 631008, 668568, 672840, 676080, 701120, 709884, 717696, 721152, 725760, 752139, 768960, 779996, 788760, 797440, 807408, 811296, 835710, 841344, 887355, 891424, 897120, 901440, 922752, 946512, 974995, 1002852, 1009260, 1014120, 1025280, 1051680, 1076544, 1081728, 1114280, 1153440, 1169994, 1183140, 1196160, 1201920, 1253565, 1262016, 1337136, 1345680, 1352160, 1402240, 1419768, 1435392, 1504278, 1537920, 1559992, 1577520, 1614816, 1622592, 1671420, 1682688, 1754991, 1774710, 1782848, 1794240, 1802880, 1845504, 1893024, 1949990, 2005704, 2018520, 2028240, 2103360, 2153088, 2163456, 2228560, 2256417, 2306880, 2339988, 2366280, 2392320, 2507130, 2524032, 2674272, 2691360, 2704320, 2804480, 2839536, 2924985, 3008556, 3075840, 3119984, 3155040, 3229632, 3245184, 3342840, 3509982, 3549420, 3565696, 3588480, 3605760, 3760695, 3786048, 3899980, 4011408, 4037040, 4056480, 4206720, 4306176, 4457120, 4512834, 4613760, 4679976, 4732560, 5014260, 5048064, 5264973, 5348544, 5382720, 5408640, 5679072, 5849970, 6017112, 6239968, 6310080, 6459264, 6490368, 6685680, 7019964, 7098840, 7131392, 7176960, 7521390, 7572096, 7799960, 8022816, 8074080, 8112960, 8413440, 8774955, 8914240, 9025668, 9227520, 9359952, 9465120, 10028520, 10529946, 10697088, 10765440, 10817280, 11282085, 11358144, 11699940, 12034224, 12479936, 12620160, 12918528, 13371360, 14039928, 14197680, 15042780, 15144192, 15599920, 15794919, 16045632, 16148160, 16225920, 17549910, 17828480, 18051336, 18719904, 18930240, 20057040, 21059892, 21394176, 21530880, 22564170, 22716288, 23399880, 24068448, 24959872, 25240320, 26324865, 26742720, 28079856, 28395360, 30085560, 31199840, 31589838, 32091264, 32296320, 32451840, 35099820, 35656960, 36102672, 37439808, 37860480, 40114080, 42119784, 45128340, 45432576, 46799760, 48136896, 49919744, 52649730, 53485440, 56159712, 56790720, 60171120, 62399680, 63179676, 64182528, 64592640, 70199640, 72205344, 74879616, 75720960, 78974595, 80228160, 84239568, 90256680, 93599520, 96273792, 105299460, 106970880, 112319424, 113581440, 120342240, 124799360, 126359352, 140399280, 144410688, 149759232, 157949190, 160456320, 168479136, 180513360, 187199040, 192547584, 210598920, 224638848, 227162880, 240684480, 249598720, 252718704, 280798560, 288821376, 315898380, 320912640, 336958272, 361026720, 374398080, 421197840, 449277696, 481368960, 505437408, 561597120, 577642752, 631796760, 673916544, 722053440, 748796160, 842395680, 962737920, 1010874816, 1123194240, 1263593520, 1347833088, 1444106880, 1684791360, 2021749632, 2246388480, 2527187040, 2888213760, 3369582720, 4043499264, 5054374080, 6739165440, 10108748160, 20217496320]

約数ペア:

[(1, 20217496320), (2, 10108748160), (3, 6739165440), (4, 5054374080), (5, 4043499264), (6, 3369582720), (7, 2888213760), (8, 2527187040), (9, 2246388480), (10, 2021749632), (12, 1684791360), (14, 1444106880), (15, 1347833088), (16, 1263593520), (18, 1123194240), (20, 1010874816), (21, 962737920), (24, 842395680), (27, 748796160), (28, 722053440), (30, 673916544), (32, 631796760), (35, 577642752), (36, 561597120), (40, 505437408), (42, 481368960), (45, 449277696), (48, 421197840), (54, 374398080), (56, 361026720), (60, 336958272), (63, 320912640), (64, 315898380), (70, 288821376), (72, 280798560), (80, 252718704), (81, 249598720), (84, 240684480), (89, 227162880), (90, 224638848), (96, 210598920), (105, 192547584), (108, 187199040), (112, 180513360), (120, 168479136), (126, 160456320), (128, 157949190), (135, 149759232), (140, 144410688), (144, 140399280), (160, 126359352), (162, 124799360), (168, 120342240), (178, 113581440), (180, 112319424), (189, 106970880), (192, 105299460), (210, 96273792), (216, 93599520), (224, 90256680), (240, 84239568), (252, 80228160), (256, 78974595), (267, 75720960), (270, 74879616), (280, 72205344), (288, 70199640), (313, 64592640), (315, 64182528), (320, 63179676), (324, 62399680), (336, 60171120), (356, 56790720), (360, 56159712), (378, 53485440), (384, 52649730), (405, 49919744), (420, 48136896), (432, 46799760), (445, 45432576), (448, 45128340), (480, 42119784), (504, 40114080), (534, 37860480), (540, 37439808), (560, 36102672), (567, 35656960), (576, 35099820), (623, 32451840), (626, 32296320), (630, 32091264), (640, 31589838), (648, 31199840), (672, 30085560), (712, 28395360), (720, 28079856), (756, 26742720), (768, 26324865), (801, 25240320), (810, 24959872), (840, 24068448), (864, 23399880), (890, 22716288), (896, 22564170), (939, 21530880), (945, 21394176), (960, 21059892), (1008, 20057040), (1068, 18930240), (1080, 18719904), (1120, 18051336), (1134, 17828480), (1152, 17549910), (1246, 16225920), (1252, 16148160), (1260, 16045632), (1280, 15794919), (1296, 15599920), (1335, 15144192), (1344, 15042780), (1424, 14197680), (1440, 14039928), (1512, 13371360), (1565, 12918528), (1602, 12620160), (1620, 12479936), (1680, 12034224), (1728, 11699940), (1780, 11358144), (1792, 11282085), (1869, 10817280), (1878, 10765440), (1890, 10697088), (1920, 10529946), (2016, 10028520), (2136, 9465120), (2160, 9359952), (2191, 9227520), (2240, 9025668), (2268, 8914240), (2304, 8774955), (2403, 8413440), (2492, 8112960), (2504, 8074080), (2520, 8022816), (2592, 7799960), (2670, 7572096), (2688, 7521390), (2817, 7176960), (2835, 7131392), (2848, 7098840), (2880, 7019964), (3024, 6685680), (3115, 6490368), (3130, 6459264), (3204, 6310080), (3240, 6239968), (3360, 6017112), (3456, 5849970), (3560, 5679072), (3738, 5408640), (3756, 5382720), (3780, 5348544), (3840, 5264973), (4005, 5048064), (4032, 5014260), (4272, 4732560), (4320, 4679976), (4382, 4613760), (4480, 4512834), (4536, 4457120), (4695, 4306176), (4806, 4206720), (4984, 4056480), (5008, 4037040), (5040, 4011408), (5184, 3899980), (5340, 3786048), (5376, 3760695), (5607, 3605760), (5634, 3588480), (5670, 3565696), (5696, 3549420), (5760, 3509982), (6048, 3342840), (6230, 3245184), (6260, 3229632), (6408, 3155040), (6480, 3119984), (6573, 3075840), (6720, 3008556), (6912, 2924985), (7120, 2839536), (7209, 2804480), (7476, 2704320), (7512, 2691360), (7560, 2674272), (8010, 2524032), (8064, 2507130), (8451, 2392320), (8544, 2366280), (8640, 2339988), (8764, 2306880), (8960, 2256417), (9072, 2228560), (9345, 2163456), (9390, 2153088), (9612, 2103360), (9968, 2028240), (10016, 2018520), (10080, 2005704), (10368, 1949990), (10680, 1893024), (10955, 1845504), (11214, 1802880), (11268, 1794240), (11340, 1782848), (11392, 1774710), (11520, 1754991), (12015, 1682688), (12096, 1671420), (12460, 1622592), (12520, 1614816), (12816, 1577520), (12960, 1559992), (13146, 1537920), (13440, 1504278), (14085, 1435392), (14240, 1419768), (14418, 1402240), (14952, 1352160), (15024, 1345680), (15120, 1337136), (16020, 1262016), (16128, 1253565), (16821, 1201920), (16902, 1196160), (17088, 1183140), (17280, 1169994), (17528, 1153440), (18144, 1114280), (18690, 1081728), (18780, 1076544), (19224, 1051680), (19719, 1025280), (19936, 1014120), (20032, 1009260), (20160, 1002852), (20736, 974995), (21360, 946512), (21910, 922752), (22428, 901440), (22536, 897120), (22680, 891424), (22784, 887355), (24030, 841344), (24192, 835710), (24920, 811296), (25040, 807408), (25353, 797440), (25632, 788760), (25920, 779996), (26292, 768960), (26880, 752139), (27857, 725760), (28035, 721152), (28170, 717696), (28480, 709884), (28836, 701120), (29904, 676080), (30048, 672840), (30240, 668568), (32040, 631008), (32865, 615168), (33642, 600960), (33804, 598080), (34176, 591570), (34560, 584997), (35056, 576720), (36045, 560896), (36288, 557140), (37380, 540864), (37560, 538272), (38448, 525840), (39438, 512640), (39872, 507060), (40064, 504630), (40320, 501426), (42255, 478464), (42720, 473256), (43820, 461376), (44856, 450720), (45072, 448560), (45360, 445712), (48060, 420672), (48384, 417855), (49840, 405648), (50080, 403704), (50463, 400640), (50706, 398720), (51264, 394380), (51840, 389998), (52584, 384480), (55714, 362880), (56070, 360576), (56340, 358848), (56960, 354942), (57672, 350560), (59157, 341760), (59808, 338040), (60096, 336420), (60480, 334284), (64080, 315504), (65730, 307584), (67284, 300480), (67608, 299040), (68352, 295785), (70112, 288360), (72090, 280448), (72576, 278570), (74760, 270432), (75120, 269136), (76896, 262920), (78876, 256320), (79744, 253530), (80128, 252315), (80640, 250713), (83571, 241920), (84105, 240384), (84510, 239232), (85440, 236628), (87640, 230688), (89712, 225360), (90144, 224280), (90720, 222856), (96120, 210336), (98595, 205056), (99680, 202824), (100160, 201852), (100926, 200320), (101412, 199360), (102528, 197190), (103680, 194999), (105168, 192240), (111428, 181440), (112140, 180288), (112680, 179424), (113920, 177471), (115344, 175280), (118314, 170880), (119616, 169020), (120192, 168210), (120960, 167142), (126765, 159488), (128160, 157752), (131460, 153792), (134568, 150240), (135216, 149520), (139285, 145152), (140224, 144180)]