19905096960

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{246839}}^1$

素因数の和:246873

約数の個数: 216

約数和(自身を含む): 78708389760

約数和(自身を除く): 58803292800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 26880, 40320, 80640, 246839, 493678, 740517, 987356, 1234195, 1481034, 1727873, 1974712, 2221551, 2468390, 2962068, 3455746, 3702585, 3949424, 4443102, 4936780, 5183619, 5924136, 6911492, 7405170, 7898848, 8639365, 8886204, 9873560, 10367238, 11107755, 11848272, 13822984, 14810340, 15550857, 15797696, 17278730, 17772408, 19747120, 20734476, 22215510, 23696544, 25918095, 27645968, 29620680, 31101714, 31595392, 34557460, 35544816, 39494240, 41468952, 44431020, 47393088, 51836190, 55291936, 59241360, 62203428, 63190784, 69114920, 71089632, 77754285, 78988480, 82937904, 88862040, 94786176, 103672380, 110583872, 118482720, 124406856, 138229840, 142179264, 155508570, 157976960, 165875808, 177724080, 189572352, 207344760, 221167744, 236965440, 248813712, 276459680, 284358528, 311017140, 315953920, 331751616, 355448160, 414689520, 442335488, 473930880, 497627424, 552919360, 568717056, 622034280, 663503232, 710896320, 829379040, 947861760, 995254848, 1105838720, 1244068560, 1327006464, 1421792640, 1658758080, 1990509696, 2211677440, 2488137120, 2843585280, 3317516160, 3981019392, 4976274240, 6635032320, 9952548480, 19905096960]

約数ペア:

[(1, 19905096960), (2, 9952548480), (3, 6635032320), (4, 4976274240), (5, 3981019392), (6, 3317516160), (7, 2843585280), (8, 2488137120), (9, 2211677440), (10, 1990509696), (12, 1658758080), (14, 1421792640), (15, 1327006464), (16, 1244068560), (18, 1105838720), (20, 995254848), (21, 947861760), (24, 829379040), (28, 710896320), (30, 663503232), (32, 622034280), (35, 568717056), (36, 552919360), (40, 497627424), (42, 473930880), (45, 442335488), (48, 414689520), (56, 355448160), (60, 331751616), (63, 315953920), (64, 311017140), (70, 284358528), (72, 276459680), (80, 248813712), (84, 236965440), (90, 221167744), (96, 207344760), (105, 189572352), (112, 177724080), (120, 165875808), (126, 157976960), (128, 155508570), (140, 142179264), (144, 138229840), (160, 124406856), (168, 118482720), (180, 110583872), (192, 103672380), (210, 94786176), (224, 88862040), (240, 82937904), (252, 78988480), (256, 77754285), (280, 71089632), (288, 69114920), (315, 63190784), (320, 62203428), (336, 59241360), (360, 55291936), (384, 51836190), (420, 47393088), (448, 44431020), (480, 41468952), (504, 39494240), (560, 35544816), (576, 34557460), (630, 31595392), (640, 31101714), (672, 29620680), (720, 27645968), (768, 25918095), (840, 23696544), (896, 22215510), (960, 20734476), (1008, 19747120), (1120, 17772408), (1152, 17278730), (1260, 15797696), (1280, 15550857), (1344, 14810340), (1440, 13822984), (1680, 11848272), (1792, 11107755), (1920, 10367238), (2016, 9873560), (2240, 8886204), (2304, 8639365), (2520, 7898848), (2688, 7405170), (2880, 6911492), (3360, 5924136), (3840, 5183619), (4032, 4936780), (4480, 4443102), (5040, 3949424), (5376, 3702585), (5760, 3455746), (6720, 2962068), (8064, 2468390), (8960, 2221551), (10080, 1974712), (11520, 1727873), (13440, 1481034), (16128, 1234195), (20160, 987356), (26880, 740517), (40320, 493678), (80640, 246839)]