1291256640

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1667

約数の個数: 280

約数和(自身を含む): 4744346112

約数和(自身を除く): 3453089472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 324, 360, 372, 405, 432, 465, 480, 496, 540, 558, 576, 620, 648, 720, 744, 810, 837, 864, 930, 960, 992, 1080, 1116, 1240, 1296, 1395, 1440, 1488, 1607, 1620, 1674, 1728, 1860, 1984, 2160, 2232, 2480, 2511, 2592, 2790, 2880, 2976, 3214, 3240, 3348, 3720, 4185, 4320, 4464, 4821, 4960, 5022, 5184, 5580, 5952, 6428, 6480, 6696, 7440, 8035, 8370, 8640, 8928, 9642, 9920, 10044, 11160, 12555, 12856, 12960, 13392, 14463, 14880, 16070, 16740, 17856, 19284, 20088, 22320, 24105, 25110, 25712, 25920, 26784, 28926, 29760, 32140, 33480, 38568, 40176, 43389, 44640, 48210, 49817, 50220, 51424, 53568, 57852, 64280, 66960, 72315, 77136, 80352, 86778, 89280, 96420, 99634, 100440, 102848, 115704, 128560, 130167, 133920, 144630, 149451, 154272, 160704, 173556, 192840, 199268, 200880, 216945, 231408, 249085, 257120, 260334, 267840, 289260, 298902, 308544, 347112, 385680, 398536, 401760, 433890, 448353, 462816, 498170, 514240, 520668, 578520, 597804, 650835, 694224, 747255, 771360, 797072, 803520, 867780, 896706, 925632, 996340, 1041336, 1157040, 1195608, 1301670, 1345059, 1388448, 1494510, 1542720, 1594144, 1735560, 1793412, 1992680, 2082672, 2241765, 2314080, 2391216, 2603340, 2690118, 2776896, 2989020, 3188288, 3471120, 3586824, 3985360, 4035177, 4165344, 4483530, 4628160, 4782432, 5206680, 5380236, 5978040, 6725295, 6942240, 7173648, 7970720, 8070354, 8330688, 8967060, 9564864, 10413360, 10760472, 11956080, 13450590, 13884480, 14347296, 15941440, 16140708, 17934120, 20175885, 20826720, 21520944, 23912160, 26901180, 28694592, 32281416, 35868240, 40351770, 41653440, 43041888, 47824320, 53802360, 64562832, 71736480, 80703540, 86083776, 107604720, 129125664, 143472960, 161407080, 215209440, 258251328, 322814160, 430418880, 645628320, 1291256640]

約数ペア:

[(1, 1291256640), (2, 645628320), (3, 430418880), (4, 322814160), (5, 258251328), (6, 215209440), (8, 161407080), (9, 143472960), (10, 129125664), (12, 107604720), (15, 86083776), (16, 80703540), (18, 71736480), (20, 64562832), (24, 53802360), (27, 47824320), (30, 43041888), (31, 41653440), (32, 40351770), (36, 35868240), (40, 32281416), (45, 28694592), (48, 26901180), (54, 23912160), (60, 21520944), (62, 20826720), (64, 20175885), (72, 17934120), (80, 16140708), (81, 15941440), (90, 14347296), (93, 13884480), (96, 13450590), (108, 11956080), (120, 10760472), (124, 10413360), (135, 9564864), (144, 8967060), (155, 8330688), (160, 8070354), (162, 7970720), (180, 7173648), (186, 6942240), (192, 6725295), (216, 5978040), (240, 5380236), (248, 5206680), (270, 4782432), (279, 4628160), (288, 4483530), (310, 4165344), (320, 4035177), (324, 3985360), (360, 3586824), (372, 3471120), (405, 3188288), (432, 2989020), (465, 2776896), (480, 2690118), (496, 2603340), (540, 2391216), (558, 2314080), (576, 2241765), (620, 2082672), (648, 1992680), (720, 1793412), (744, 1735560), (810, 1594144), (837, 1542720), (864, 1494510), (930, 1388448), (960, 1345059), (992, 1301670), (1080, 1195608), (1116, 1157040), (1240, 1041336), (1296, 996340), (1395, 925632), (1440, 896706), (1488, 867780), (1607, 803520), (1620, 797072), (1674, 771360), (1728, 747255), (1860, 694224), (1984, 650835), (2160, 597804), (2232, 578520), (2480, 520668), (2511, 514240), (2592, 498170), (2790, 462816), (2880, 448353), (2976, 433890), (3214, 401760), (3240, 398536), (3348, 385680), (3720, 347112), (4185, 308544), (4320, 298902), (4464, 289260), (4821, 267840), (4960, 260334), (5022, 257120), (5184, 249085), (5580, 231408), (5952, 216945), (6428, 200880), (6480, 199268), (6696, 192840), (7440, 173556), (8035, 160704), (8370, 154272), (8640, 149451), (8928, 144630), (9642, 133920), (9920, 130167), (10044, 128560), (11160, 115704), (12555, 102848), (12856, 100440), (12960, 99634), (13392, 96420), (14463, 89280), (14880, 86778), (16070, 80352), (16740, 77136), (17856, 72315), (19284, 66960), (20088, 64280), (22320, 57852), (24105, 53568), (25110, 51424), (25712, 50220), (25920, 49817), (26784, 48210), (28926, 44640), (29760, 43389), (32140, 40176), (33480, 38568)]