1991016720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11971}}^1$

素因数の和:12011

約数の個数: 320

約数和(自身を含む): 8550881280

約数和(自身を除く): 6559864560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 54, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 108, 110, 112, 120, 126, 132, 135, 140, 144, 154, 165, 168, 176, 180, 189, 198, 210, 216, 220, 231, 240, 252, 264, 270, 280, 297, 308, 315, 330, 336, 360, 378, 385, 396, 420, 432, 440, 462, 495, 504, 528, 540, 560, 594, 616, 630, 660, 693, 720, 756, 770, 792, 840, 880, 924, 945, 990, 1008, 1080, 1155, 1188, 1232, 1260, 1320, 1386, 1485, 1512, 1540, 1584, 1680, 1848, 1890, 1980, 2079, 2160, 2310, 2376, 2520, 2640, 2772, 2970, 3024, 3080, 3465, 3696, 3780, 3960, 4158, 4620, 4752, 5040, 5544, 5940, 6160, 6930, 7560, 7920, 8316, 9240, 10395, 11088, 11880, 11971, 13860, 15120, 16632, 18480, 20790, 23760, 23942, 27720, 33264, 35913, 41580, 47884, 55440, 59855, 71826, 83160, 83797, 95768, 107739, 119710, 131681, 143652, 166320, 167594, 179565, 191536, 215478, 239420, 251391, 263362, 287304, 323217, 335188, 359130, 395043, 418985, 430956, 478840, 502782, 526724, 538695, 574608, 646434, 658405, 670376, 718260, 754173, 790086, 837970, 861912, 921767, 957680, 1005564, 1053448, 1077390, 1185129, 1256955, 1292868, 1316810, 1340752, 1436520, 1508346, 1580172, 1616085, 1675940, 1723824, 1843534, 1975215, 2011128, 2106896, 2154780, 2262519, 2370258, 2513910, 2585736, 2633620, 2765301, 2873040, 3016692, 3160344, 3232170, 3351880, 3555387, 3687068, 3770865, 3950430, 4022256, 4309560, 4525038, 4608835, 4740516, 5027820, 5171472, 5267240, 5530602, 5925645, 6033384, 6320688, 6464340, 6703760, 7110774, 7374136, 7541730, 7900860, 8295903, 8619120, 9050076, 9217670, 9481032, 10055640, 10534480, 11061204, 11312595, 11851290, 12066768, 12928680, 13826505, 14221548, 14748272, 15083460, 15801720, 16591806, 17776935, 18100152, 18435340, 18962064, 20111280, 22122408, 22625190, 23702580, 24887709, 25857360, 27653010, 28443096, 30166920, 31603440, 33183612, 35553870, 36200304, 36870680, 41479515, 44244816, 45250380, 47405160, 49775418, 55306020, 56886192, 60333840, 66367224, 71107740, 73741360, 82959030, 90500760, 94810320, 99550836, 110612040, 124438545, 132734448, 142215480, 165918060, 181001520, 199101672, 221224080, 248877090, 284430960, 331836120, 398203344, 497754180, 663672240, 995508360, 1991016720]

約数ペア:

[(1, 1991016720), (2, 995508360), (3, 663672240), (4, 497754180), (5, 398203344), (6, 331836120), (7, 284430960), (8, 248877090), (9, 221224080), (10, 199101672), (11, 181001520), (12, 165918060), (14, 142215480), (15, 132734448), (16, 124438545), (18, 110612040), (20, 99550836), (21, 94810320), (22, 90500760), (24, 82959030), (27, 73741360), (28, 71107740), (30, 66367224), (33, 60333840), (35, 56886192), (36, 55306020), (40, 49775418), (42, 47405160), (44, 45250380), (45, 44244816), (48, 41479515), (54, 36870680), (55, 36200304), (56, 35553870), (60, 33183612), (63, 31603440), (66, 30166920), (70, 28443096), (72, 27653010), (77, 25857360), (80, 24887709), (84, 23702580), (88, 22625190), (90, 22122408), (99, 20111280), (105, 18962064), (108, 18435340), (110, 18100152), (112, 17776935), (120, 16591806), (126, 15801720), (132, 15083460), (135, 14748272), (140, 14221548), (144, 13826505), (154, 12928680), (165, 12066768), (168, 11851290), (176, 11312595), (180, 11061204), (189, 10534480), (198, 10055640), (210, 9481032), (216, 9217670), (220, 9050076), (231, 8619120), (240, 8295903), (252, 7900860), (264, 7541730), (270, 7374136), (280, 7110774), (297, 6703760), (308, 6464340), (315, 6320688), (330, 6033384), (336, 5925645), (360, 5530602), (378, 5267240), (385, 5171472), (396, 5027820), (420, 4740516), (432, 4608835), (440, 4525038), (462, 4309560), (495, 4022256), (504, 3950430), (528, 3770865), (540, 3687068), (560, 3555387), (594, 3351880), (616, 3232170), (630, 3160344), (660, 3016692), (693, 2873040), (720, 2765301), (756, 2633620), (770, 2585736), (792, 2513910), (840, 2370258), (880, 2262519), (924, 2154780), (945, 2106896), (990, 2011128), (1008, 1975215), (1080, 1843534), (1155, 1723824), (1188, 1675940), (1232, 1616085), (1260, 1580172), (1320, 1508346), (1386, 1436520), (1485, 1340752), (1512, 1316810), (1540, 1292868), (1584, 1256955), (1680, 1185129), (1848, 1077390), (1890, 1053448), (1980, 1005564), (2079, 957680), (2160, 921767), (2310, 861912), (2376, 837970), (2520, 790086), (2640, 754173), (2772, 718260), (2970, 670376), (3024, 658405), (3080, 646434), (3465, 574608), (3696, 538695), (3780, 526724), (3960, 502782), (4158, 478840), (4620, 430956), (4752, 418985), (5040, 395043), (5544, 359130), (5940, 335188), (6160, 323217), (6930, 287304), (7560, 263362), (7920, 251391), (8316, 239420), (9240, 215478), (10395, 191536), (11088, 179565), (11880, 167594), (11971, 166320), (13860, 143652), (15120, 131681), (16632, 119710), (18480, 107739), (20790, 95768), (23760, 83797), (23942, 83160), (27720, 71826), (33264, 59855), (35913, 55440), (41580, 47884)]