262451280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:294

約数の個数: 320

約数和(自身を含む): 1022934528

約数和(自身を除く): 760483248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 61, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 122, 130, 140, 156, 168, 182, 183, 195, 197, 208, 210, 240, 244, 260, 273, 280, 305, 312, 336, 364, 366, 390, 394, 420, 427, 455, 488, 520, 546, 560, 591, 610, 624, 728, 732, 780, 788, 793, 840, 854, 910, 915, 976, 985, 1040, 1092, 1182, 1220, 1281, 1365, 1379, 1456, 1464, 1560, 1576, 1586, 1680, 1708, 1820, 1830, 1970, 2135, 2184, 2364, 2379, 2440, 2561, 2562, 2730, 2758, 2928, 2955, 3120, 3152, 3172, 3416, 3640, 3660, 3940, 3965, 4137, 4270, 4368, 4728, 4758, 4880, 5122, 5124, 5460, 5516, 5551, 5910, 6344, 6405, 6832, 6895, 7280, 7320, 7683, 7880, 7930, 8274, 8540, 9456, 9516, 10244, 10248, 10920, 11032, 11102, 11820, 11895, 12017, 12688, 12805, 12810, 13790, 14640, 15366, 15760, 15860, 16548, 16653, 17080, 17927, 19032, 20488, 20496, 20685, 21840, 22064, 22204, 23640, 23790, 24034, 25610, 25620, 27580, 27755, 30732, 31720, 33096, 33306, 34160, 35854, 36051, 38064, 38415, 40976, 41370, 44408, 47280, 47580, 48068, 51220, 51240, 53781, 55160, 55510, 60085, 61464, 63440, 66192, 66612, 71708, 72102, 76830, 82740, 83265, 84119, 88816, 89635, 95160, 96136, 102440, 102480, 107562, 110320, 111020, 120170, 122928, 133224, 143416, 144204, 153660, 156221, 165480, 166530, 168238, 179270, 180255, 190320, 192272, 204880, 215124, 222040, 240340, 252357, 266448, 268905, 286832, 288408, 307320, 312442, 330960, 333060, 336476, 358540, 360510, 420595, 430248, 444080, 468663, 480680, 504714, 537810, 576816, 614640, 624884, 666120, 672952, 717080, 721020, 781105, 841190, 860496, 937326, 961360, 1009428, 1075620, 1093547, 1249768, 1261785, 1332240, 1345904, 1434160, 1442040, 1562210, 1682380, 1874652, 2018856, 2151240, 2187094, 2343315, 2499536, 2523570, 2884080, 3124420, 3280641, 3364760, 3749304, 4037712, 4302480, 4374188, 4686630, 5047140, 5467735, 6248840, 6561282, 6729520, 7498608, 8748376, 9373260, 10094280, 10935470, 12497680, 13122564, 16403205, 17496752, 18746520, 20188560, 21870940, 26245128, 32806410, 37493040, 43741880, 52490256, 65612820, 87483760, 131225640, 262451280]

約数ペア:

[(1, 262451280), (2, 131225640), (3, 87483760), (4, 65612820), (5, 52490256), (6, 43741880), (7, 37493040), (8, 32806410), (10, 26245128), (12, 21870940), (13, 20188560), (14, 18746520), (15, 17496752), (16, 16403205), (20, 13122564), (21, 12497680), (24, 10935470), (26, 10094280), (28, 9373260), (30, 8748376), (35, 7498608), (39, 6729520), (40, 6561282), (42, 6248840), (48, 5467735), (52, 5047140), (56, 4686630), (60, 4374188), (61, 4302480), (65, 4037712), (70, 3749304), (78, 3364760), (80, 3280641), (84, 3124420), (91, 2884080), (104, 2523570), (105, 2499536), (112, 2343315), (120, 2187094), (122, 2151240), (130, 2018856), (140, 1874652), (156, 1682380), (168, 1562210), (182, 1442040), (183, 1434160), (195, 1345904), (197, 1332240), (208, 1261785), (210, 1249768), (240, 1093547), (244, 1075620), (260, 1009428), (273, 961360), (280, 937326), (305, 860496), (312, 841190), (336, 781105), (364, 721020), (366, 717080), (390, 672952), (394, 666120), (420, 624884), (427, 614640), (455, 576816), (488, 537810), (520, 504714), (546, 480680), (560, 468663), (591, 444080), (610, 430248), (624, 420595), (728, 360510), (732, 358540), (780, 336476), (788, 333060), (793, 330960), (840, 312442), (854, 307320), (910, 288408), (915, 286832), (976, 268905), (985, 266448), (1040, 252357), (1092, 240340), (1182, 222040), (1220, 215124), (1281, 204880), (1365, 192272), (1379, 190320), (1456, 180255), (1464, 179270), (1560, 168238), (1576, 166530), (1586, 165480), (1680, 156221), (1708, 153660), (1820, 144204), (1830, 143416), (1970, 133224), (2135, 122928), (2184, 120170), (2364, 111020), (2379, 110320), (2440, 107562), (2561, 102480), (2562, 102440), (2730, 96136), (2758, 95160), (2928, 89635), (2955, 88816), (3120, 84119), (3152, 83265), (3172, 82740), (3416, 76830), (3640, 72102), (3660, 71708), (3940, 66612), (3965, 66192), (4137, 63440), (4270, 61464), (4368, 60085), (4728, 55510), (4758, 55160), (4880, 53781), (5122, 51240), (5124, 51220), (5460, 48068), (5516, 47580), (5551, 47280), (5910, 44408), (6344, 41370), (6405, 40976), (6832, 38415), (6895, 38064), (7280, 36051), (7320, 35854), (7683, 34160), (7880, 33306), (7930, 33096), (8274, 31720), (8540, 30732), (9456, 27755), (9516, 27580), (10244, 25620), (10248, 25610), (10920, 24034), (11032, 23790), (11102, 23640), (11820, 22204), (11895, 22064), (12017, 21840), (12688, 20685), (12805, 20496), (12810, 20488), (13790, 19032), (14640, 17927), (15366, 17080), (15760, 16653), (15860, 16548)]