1640257920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2393}}^1$

素因数の和:2442

約数の個数: 384

約数和(自身を含む): 6856799040

約数和(自身を除く): 5216541120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 64, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 112, 119, 120, 126, 128, 136, 140, 144, 153, 160, 168, 170, 180, 192, 204, 210, 224, 238, 240, 252, 255, 272, 280, 288, 306, 315, 320, 336, 340, 357, 360, 384, 408, 420, 448, 476, 480, 504, 510, 544, 560, 576, 595, 612, 630, 640, 672, 680, 714, 720, 765, 816, 840, 896, 952, 960, 1008, 1020, 1071, 1088, 1120, 1152, 1190, 1224, 1260, 1344, 1360, 1428, 1440, 1530, 1632, 1680, 1785, 1904, 1920, 2016, 2040, 2142, 2176, 2240, 2380, 2393, 2448, 2520, 2688, 2720, 2856, 2880, 3060, 3264, 3360, 3570, 3808, 4032, 4080, 4284, 4480, 4760, 4786, 4896, 5040, 5355, 5440, 5712, 5760, 6120, 6528, 6720, 7140, 7179, 7616, 8064, 8160, 8568, 9520, 9572, 9792, 10080, 10710, 10880, 11424, 11965, 12240, 13440, 14280, 14358, 15232, 16320, 16751, 17136, 19040, 19144, 19584, 20160, 21420, 21537, 22848, 23930, 24480, 28560, 28716, 32640, 33502, 34272, 35895, 38080, 38288, 40320, 40681, 42840, 43074, 45696, 47860, 48960, 50253, 57120, 57432, 67004, 68544, 71790, 76160, 76576, 81362, 83755, 85680, 86148, 95720, 97920, 100506, 107685, 114240, 114864, 122043, 134008, 137088, 143580, 150759, 153152, 162724, 167510, 171360, 172296, 191440, 201012, 203405, 215370, 228480, 229728, 244086, 251265, 268016, 284767, 287160, 301518, 306304, 325448, 335020, 342720, 344592, 366129, 382880, 402024, 406810, 430740, 459456, 488172, 502530, 536032, 569534, 574320, 603036, 610215, 650896, 670040, 685440, 689184, 732258, 753795, 765760, 804048, 813620, 854301, 861480, 918912, 976344, 1005060, 1072064, 1139068, 1148640, 1206072, 1220430, 1301792, 1340080, 1378368, 1423835, 1464516, 1507590, 1531520, 1608096, 1627240, 1708602, 1722960, 1830645, 1952688, 2010120, 2144128, 2278136, 2297280, 2412144, 2440860, 2562903, 2603584, 2680160, 2756736, 2847670, 2929032, 3015180, 3216192, 3254480, 3417204, 3445920, 3661290, 3905376, 4020240, 4271505, 4556272, 4594560, 4824288, 4881720, 5125806, 5207168, 5360320, 5695340, 5858064, 6030360, 6432384, 6508960, 6834408, 6891840, 7322580, 7810752, 8040480, 8543010, 9112544, 9648576, 9763440, 10251612, 10720640, 11390680, 11716128, 12060720, 12814515, 13017920, 13668816, 13783680, 14645160, 15621504, 16080960, 17086020, 18225088, 19297152, 19526880, 20503224, 22781360, 23432256, 24121440, 25629030, 26035840, 27337632, 29290320, 32161920, 34172040, 36450176, 39053760, 41006448, 45562720, 46864512, 48242880, 51258060, 54675264, 58580640, 68344080, 78107520, 82012896, 91125440, 96485760, 102516120, 109350528, 117161280, 136688160, 164025792, 182250880, 205032240, 234322560, 273376320, 328051584, 410064480, 546752640, 820128960, 1640257920]

約数ペア:

[(1, 1640257920), (2, 820128960), (3, 546752640), (4, 410064480), (5, 328051584), (6, 273376320), (7, 234322560), (8, 205032240), (9, 182250880), (10, 164025792), (12, 136688160), (14, 117161280), (15, 109350528), (16, 102516120), (17, 96485760), (18, 91125440), (20, 82012896), (21, 78107520), (24, 68344080), (28, 58580640), (30, 54675264), (32, 51258060), (34, 48242880), (35, 46864512), (36, 45562720), (40, 41006448), (42, 39053760), (45, 36450176), (48, 34172040), (51, 32161920), (56, 29290320), (60, 27337632), (63, 26035840), (64, 25629030), (68, 24121440), (70, 23432256), (72, 22781360), (80, 20503224), (84, 19526880), (85, 19297152), (90, 18225088), (96, 17086020), (102, 16080960), (105, 15621504), (112, 14645160), (119, 13783680), (120, 13668816), (126, 13017920), (128, 12814515), (136, 12060720), (140, 11716128), (144, 11390680), (153, 10720640), (160, 10251612), (168, 9763440), (170, 9648576), (180, 9112544), (192, 8543010), (204, 8040480), (210, 7810752), (224, 7322580), (238, 6891840), (240, 6834408), (252, 6508960), (255, 6432384), (272, 6030360), (280, 5858064), (288, 5695340), (306, 5360320), (315, 5207168), (320, 5125806), (336, 4881720), (340, 4824288), (357, 4594560), (360, 4556272), (384, 4271505), (408, 4020240), (420, 3905376), (448, 3661290), (476, 3445920), (480, 3417204), (504, 3254480), (510, 3216192), (544, 3015180), (560, 2929032), (576, 2847670), (595, 2756736), (612, 2680160), (630, 2603584), (640, 2562903), (672, 2440860), (680, 2412144), (714, 2297280), (720, 2278136), (765, 2144128), (816, 2010120), (840, 1952688), (896, 1830645), (952, 1722960), (960, 1708602), (1008, 1627240), (1020, 1608096), (1071, 1531520), (1088, 1507590), (1120, 1464516), (1152, 1423835), (1190, 1378368), (1224, 1340080), (1260, 1301792), (1344, 1220430), (1360, 1206072), (1428, 1148640), (1440, 1139068), (1530, 1072064), (1632, 1005060), (1680, 976344), (1785, 918912), (1904, 861480), (1920, 854301), (2016, 813620), (2040, 804048), (2142, 765760), (2176, 753795), (2240, 732258), (2380, 689184), (2393, 685440), (2448, 670040), (2520, 650896), (2688, 610215), (2720, 603036), (2856, 574320), (2880, 569534), (3060, 536032), (3264, 502530), (3360, 488172), (3570, 459456), (3808, 430740), (4032, 406810), (4080, 402024), (4284, 382880), (4480, 366129), (4760, 344592), (4786, 342720), (4896, 335020), (5040, 325448), (5355, 306304), (5440, 301518), (5712, 287160), (5760, 284767), (6120, 268016), (6528, 251265), (6720, 244086), (7140, 229728), (7179, 228480), (7616, 215370), (8064, 203405), (8160, 201012), (8568, 191440), (9520, 172296), (9572, 171360), (9792, 167510), (10080, 162724), (10710, 153152), (10880, 150759), (11424, 143580), (11965, 137088), (12240, 134008), (13440, 122043), (14280, 114864), (14358, 114240), (15232, 107685), (16320, 100506), (16751, 97920), (17136, 95720), (19040, 86148), (19144, 85680), (19584, 83755), (20160, 81362), (21420, 76576), (21537, 76160), (22848, 71790), (23930, 68544), (24480, 67004), (28560, 57432), (28716, 57120), (32640, 50253), (33502, 48960), (34272, 47860), (35895, 45696), (38080, 43074), (38288, 42840), (40320, 40681)]