20806813440

素因数分解:

$2^8\times 3^4\times 5^1\times 7^1\times {\mathrm{28669}}^1$

素因数の和:28709

約数の個数: 360

約数和(自身を含む): 85089348960

約数和(自身を除く): 64282535520

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, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 768, 810, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1134, 1152, 1260, 1280, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2268, 2304, 2520, 2592, 2688, 2835, 2880, 3024, 3240, 3360, 3456, 3780, 3840, 4032, 4320, 4480, 4536, 5040, 5184, 5376, 5670, 5760, 6048, 6480, 6720, 6912, 7560, 8064, 8640, 8960, 9072, 10080, 10368, 11340, 11520, 12096, 12960, 13440, 15120, 16128, 17280, 18144, 20160, 20736, 22680, 24192, 25920, 26880, 28669, 30240, 34560, 36288, 40320, 45360, 48384, 51840, 57338, 60480, 72576, 80640, 86007, 90720, 103680, 114676, 120960, 143345, 145152, 172014, 181440, 200683, 229352, 241920, 258021, 286690, 344028, 362880, 401366, 430035, 458704, 516042, 573380, 602049, 688056, 725760, 774063, 802732, 860070, 917408, 1003415, 1032084, 1146760, 1204098, 1290105, 1376112, 1548126, 1605464, 1720140, 1806147, 1834816, 2006830, 2064168, 2293520, 2322189, 2408196, 2580210, 2752224, 3010245, 3096252, 3210928, 3440280, 3612294, 3669632, 3870315, 4013660, 4128336, 4587040, 4644378, 4816392, 5160420, 5418441, 5504448, 6020490, 6192504, 6421856, 6880560, 7224588, 7339264, 7740630, 8027320, 8256672, 9030735, 9174080, 9288756, 9632784, 10320840, 10836882, 11008896, 11610945, 12040980, 12385008, 12843712, 13761120, 14449176, 15481260, 16054640, 16255323, 16513344, 18061470, 18348160, 18577512, 19265568, 20641680, 21673764, 22017792, 23221890, 24081960, 24770016, 25687424, 27092205, 27522240, 28898352, 30962520, 32109280, 32510646, 33026688, 36122940, 36696320, 37155024, 38531136, 41283360, 43347528, 46443780, 48163920, 49540032, 51374848, 54184410, 55044480, 57796704, 61925040, 64218560, 65021292, 66053376, 72245880, 74310048, 77062272, 81276615, 82566720, 86695056, 92887560, 96327840, 99080064, 108368820, 110088960, 115593408, 123850080, 128437120, 130042584, 144491760, 148620096, 154124544, 162553230, 165133440, 173390112, 185775120, 192655680, 198160128, 216737640, 231186816, 247700160, 256874240, 260085168, 288983520, 297240192, 325106460, 330266880, 346780224, 371550240, 385311360, 433475280, 462373632, 495400320, 520170336, 577967040, 594480384, 650212920, 693560448, 743100480, 770622720, 866950560, 990800640, 1040340672, 1155934080, 1300425840, 1387120896, 1486200960, 1733901120, 2080681344, 2311868160, 2600851680, 2972401920, 3467802240, 4161362688, 5201703360, 6935604480, 10403406720, 20806813440]

約数ペア:

[(1, 20806813440), (2, 10403406720), (3, 6935604480), (4, 5201703360), (5, 4161362688), (6, 3467802240), (7, 2972401920), (8, 2600851680), (9, 2311868160), (10, 2080681344), (12, 1733901120), (14, 1486200960), (15, 1387120896), (16, 1300425840), (18, 1155934080), (20, 1040340672), (21, 990800640), (24, 866950560), (27, 770622720), (28, 743100480), (30, 693560448), (32, 650212920), (35, 594480384), (36, 577967040), (40, 520170336), (42, 495400320), (45, 462373632), (48, 433475280), (54, 385311360), (56, 371550240), (60, 346780224), (63, 330266880), (64, 325106460), (70, 297240192), (72, 288983520), (80, 260085168), (81, 256874240), (84, 247700160), (90, 231186816), (96, 216737640), (105, 198160128), (108, 192655680), (112, 185775120), (120, 173390112), (126, 165133440), (128, 162553230), (135, 154124544), (140, 148620096), (144, 144491760), (160, 130042584), (162, 128437120), (168, 123850080), (180, 115593408), (189, 110088960), (192, 108368820), (210, 99080064), (216, 96327840), (224, 92887560), (240, 86695056), (252, 82566720), (256, 81276615), (270, 77062272), (280, 74310048), (288, 72245880), (315, 66053376), (320, 65021292), (324, 64218560), (336, 61925040), (360, 57796704), (378, 55044480), (384, 54184410), (405, 51374848), (420, 49540032), (432, 48163920), (448, 46443780), (480, 43347528), (504, 41283360), (540, 38531136), (560, 37155024), (567, 36696320), (576, 36122940), (630, 33026688), (640, 32510646), (648, 32109280), (672, 30962520), (720, 28898352), (756, 27522240), (768, 27092205), (810, 25687424), (840, 24770016), (864, 24081960), (896, 23221890), (945, 22017792), (960, 21673764), (1008, 20641680), (1080, 19265568), (1120, 18577512), (1134, 18348160), (1152, 18061470), (1260, 16513344), (1280, 16255323), (1296, 16054640), (1344, 15481260), (1440, 14449176), (1512, 13761120), (1620, 12843712), (1680, 12385008), (1728, 12040980), (1792, 11610945), (1890, 11008896), (1920, 10836882), (2016, 10320840), (2160, 9632784), (2240, 9288756), (2268, 9174080), (2304, 9030735), (2520, 8256672), (2592, 8027320), (2688, 7740630), (2835, 7339264), (2880, 7224588), (3024, 6880560), (3240, 6421856), (3360, 6192504), (3456, 6020490), (3780, 5504448), (3840, 5418441), (4032, 5160420), (4320, 4816392), (4480, 4644378), (4536, 4587040), (5040, 4128336), (5184, 4013660), (5376, 3870315), (5670, 3669632), (5760, 3612294), (6048, 3440280), (6480, 3210928), (6720, 3096252), (6912, 3010245), (7560, 2752224), (8064, 2580210), (8640, 2408196), (8960, 2322189), (9072, 2293520), (10080, 2064168), (10368, 2006830), (11340, 1834816), (11520, 1806147), (12096, 1720140), (12960, 1605464), (13440, 1548126), (15120, 1376112), (16128, 1290105), (17280, 1204098), (18144, 1146760), (20160, 1032084), (20736, 1003415), (22680, 917408), (24192, 860070), (25920, 802732), (26880, 774063), (28669, 725760), (30240, 688056), (34560, 602049), (36288, 573380), (40320, 516042), (45360, 458704), (48384, 430035), (51840, 401366), (57338, 362880), (60480, 344028), (72576, 286690), (80640, 258021), (86007, 241920), (90720, 229352), (103680, 200683), (114676, 181440), (120960, 172014), (143345, 145152)]