1980195840

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^2\times {\mathrm{877}}^1$

素因数の和:922

約数の個数: 396

約数和(自身を含む): 7990644636

約数和(自身を除く): 6010448796

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, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 256, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 480, 490, 504, 512, 560, 576, 588, 630, 640, 672, 720, 735, 768, 784, 840, 877, 882, 896, 960, 980, 1008, 1024, 1120, 1152, 1176, 1260, 1280, 1344, 1440, 1470, 1536, 1568, 1680, 1754, 1764, 1792, 1920, 1960, 2016, 2205, 2240, 2304, 2352, 2520, 2560, 2631, 2688, 2880, 2940, 3072, 3136, 3360, 3508, 3528, 3584, 3840, 3920, 4032, 4385, 4410, 4480, 4608, 4704, 5040, 5120, 5262, 5376, 5760, 5880, 6139, 6272, 6720, 7016, 7056, 7168, 7680, 7840, 7893, 8064, 8770, 8820, 8960, 9216, 9408, 10080, 10524, 10752, 11520, 11760, 12278, 12544, 13155, 13440, 14032, 14112, 15360, 15680, 15786, 16128, 17540, 17640, 17920, 18417, 18816, 20160, 21048, 21504, 23040, 23520, 24556, 25088, 26310, 26880, 28064, 28224, 30695, 31360, 31572, 32256, 35080, 35280, 35840, 36834, 37632, 39465, 40320, 42096, 42973, 46080, 47040, 49112, 50176, 52620, 53760, 55251, 56128, 56448, 61390, 62720, 63144, 64512, 70160, 70560, 73668, 75264, 78930, 80640, 84192, 85946, 92085, 94080, 98224, 105240, 107520, 110502, 112256, 112896, 122780, 125440, 126288, 128919, 140320, 141120, 147336, 150528, 157860, 161280, 168384, 171892, 184170, 188160, 196448, 210480, 214865, 221004, 224512, 225792, 245560, 250880, 252576, 257838, 276255, 280640, 282240, 294672, 315720, 322560, 336768, 343784, 368340, 376320, 386757, 392896, 420960, 429730, 442008, 449024, 451584, 491120, 505152, 515676, 552510, 561280, 564480, 589344, 631440, 644595, 673536, 687568, 736680, 752640, 773514, 785792, 841920, 859460, 884016, 898048, 982240, 1010304, 1031352, 1105020, 1122560, 1128960, 1178688, 1262880, 1289190, 1347072, 1375136, 1473360, 1547028, 1571584, 1683840, 1718920, 1768032, 1933785, 1964480, 2020608, 2062704, 2210040, 2245120, 2257920, 2357376, 2525760, 2578380, 2694144, 2750272, 2946720, 3094056, 3143168, 3367680, 3437840, 3536064, 3867570, 3928960, 4041216, 4125408, 4420080, 4490240, 4714752, 5051520, 5156760, 5500544, 5893440, 6188112, 6286336, 6735360, 6875680, 7072128, 7735140, 7857920, 8082432, 8250816, 8840160, 9429504, 10103040, 10313520, 11001088, 11786880, 12376224, 13470720, 13751360, 14144256, 15470280, 15715840, 16501632, 17680320, 18859008, 20206080, 20627040, 22002176, 23573760, 24752448, 27502720, 28288512, 30940560, 31431680, 33003264, 35360640, 40412160, 41254080, 44004352, 47147520, 49504896, 55005440, 56577024, 61881120, 66006528, 70721280, 82508160, 94295040, 99009792, 110010880, 123762240, 132013056, 141442560, 165016320, 198019584, 220021760, 247524480, 282885120, 330032640, 396039168, 495048960, 660065280, 990097920, 1980195840]

約数ペア:

[(1, 1980195840), (2, 990097920), (3, 660065280), (4, 495048960), (5, 396039168), (6, 330032640), (7, 282885120), (8, 247524480), (9, 220021760), (10, 198019584), (12, 165016320), (14, 141442560), (15, 132013056), (16, 123762240), (18, 110010880), (20, 99009792), (21, 94295040), (24, 82508160), (28, 70721280), (30, 66006528), (32, 61881120), (35, 56577024), (36, 55005440), (40, 49504896), (42, 47147520), (45, 44004352), (48, 41254080), (49, 40412160), (56, 35360640), (60, 33003264), (63, 31431680), (64, 30940560), (70, 28288512), (72, 27502720), (80, 24752448), (84, 23573760), (90, 22002176), (96, 20627040), (98, 20206080), (105, 18859008), (112, 17680320), (120, 16501632), (126, 15715840), (128, 15470280), (140, 14144256), (144, 13751360), (147, 13470720), (160, 12376224), (168, 11786880), (180, 11001088), (192, 10313520), (196, 10103040), (210, 9429504), (224, 8840160), (240, 8250816), (245, 8082432), (252, 7857920), (256, 7735140), (280, 7072128), (288, 6875680), (294, 6735360), (315, 6286336), (320, 6188112), (336, 5893440), (360, 5500544), (384, 5156760), (392, 5051520), (420, 4714752), (441, 4490240), (448, 4420080), (480, 4125408), (490, 4041216), (504, 3928960), (512, 3867570), (560, 3536064), (576, 3437840), (588, 3367680), (630, 3143168), (640, 3094056), (672, 2946720), (720, 2750272), (735, 2694144), (768, 2578380), (784, 2525760), (840, 2357376), (877, 2257920), (882, 2245120), (896, 2210040), (960, 2062704), (980, 2020608), (1008, 1964480), (1024, 1933785), (1120, 1768032), (1152, 1718920), (1176, 1683840), (1260, 1571584), (1280, 1547028), (1344, 1473360), (1440, 1375136), (1470, 1347072), (1536, 1289190), (1568, 1262880), (1680, 1178688), (1754, 1128960), (1764, 1122560), (1792, 1105020), (1920, 1031352), (1960, 1010304), (2016, 982240), (2205, 898048), (2240, 884016), (2304, 859460), (2352, 841920), (2520, 785792), (2560, 773514), (2631, 752640), (2688, 736680), (2880, 687568), (2940, 673536), (3072, 644595), (3136, 631440), (3360, 589344), (3508, 564480), (3528, 561280), (3584, 552510), (3840, 515676), (3920, 505152), (4032, 491120), (4385, 451584), (4410, 449024), (4480, 442008), (4608, 429730), (4704, 420960), (5040, 392896), (5120, 386757), (5262, 376320), (5376, 368340), (5760, 343784), (5880, 336768), (6139, 322560), (6272, 315720), (6720, 294672), (7016, 282240), (7056, 280640), (7168, 276255), (7680, 257838), (7840, 252576), (7893, 250880), (8064, 245560), (8770, 225792), (8820, 224512), (8960, 221004), (9216, 214865), (9408, 210480), (10080, 196448), (10524, 188160), (10752, 184170), (11520, 171892), (11760, 168384), (12278, 161280), (12544, 157860), (13155, 150528), (13440, 147336), (14032, 141120), (14112, 140320), (15360, 128919), (15680, 126288), (15786, 125440), (16128, 122780), (17540, 112896), (17640, 112256), (17920, 110502), (18417, 107520), (18816, 105240), (20160, 98224), (21048, 94080), (21504, 92085), (23040, 85946), (23520, 84192), (24556, 80640), (25088, 78930), (26310, 75264), (26880, 73668), (28064, 70560), (28224, 70160), (30695, 64512), (31360, 63144), (31572, 62720), (32256, 61390), (35080, 56448), (35280, 56128), (35840, 55251), (36834, 53760), (37632, 52620), (39465, 50176), (40320, 49112), (42096, 47040), (42973, 46080)]