1278012960

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6673}}^1$

素因数の和:6720

約数の個数: 288

約数和(自身を含む): 5247365760

約数和(自身を除く): 3969352800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 168, 171, 180, 190, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 336, 342, 360, 380, 399, 420, 456, 480, 504, 532, 560, 570, 608, 630, 665, 672, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1120, 1140, 1197, 1260, 1330, 1368, 1440, 1520, 1596, 1680, 1710, 1824, 1995, 2016, 2128, 2280, 2394, 2520, 2660, 2736, 3040, 3192, 3360, 3420, 3990, 4256, 4560, 4788, 5040, 5320, 5472, 5985, 6384, 6673, 6840, 7980, 9120, 9576, 10080, 10640, 11970, 12768, 13346, 13680, 15960, 19152, 20019, 21280, 23940, 26692, 27360, 31920, 33365, 38304, 40038, 46711, 47880, 53384, 60057, 63840, 66730, 80076, 93422, 95760, 100095, 106768, 120114, 126787, 133460, 140133, 160152, 186844, 191520, 200190, 213536, 233555, 240228, 253574, 266920, 280266, 300285, 320304, 373688, 380361, 400380, 420399, 467110, 480456, 507148, 533840, 560532, 600570, 633935, 640608, 700665, 747376, 760722, 800760, 840798, 887509, 934220, 960912, 1014296, 1067680, 1121064, 1141083, 1201140, 1267870, 1401330, 1494752, 1521444, 1601520, 1681596, 1775018, 1868440, 1901805, 1921824, 2028592, 2101995, 2242128, 2282166, 2402280, 2535740, 2662527, 2802660, 3042888, 3203040, 3363192, 3550036, 3736880, 3803610, 4057184, 4203990, 4437545, 4484256, 4564332, 4804560, 5071480, 5325054, 5605320, 5705415, 6085776, 6726384, 7100072, 7473760, 7607220, 7987581, 8407980, 8875090, 9128664, 9609120, 10142960, 10650108, 11210640, 11410830, 12171552, 13312635, 13452768, 14200144, 15214440, 15975162, 16815960, 17750180, 18257328, 20285920, 21300216, 22421280, 22821660, 26625270, 28400288, 30428880, 31950324, 33631920, 35500360, 36514656, 39937905, 42600432, 45643320, 53250540, 60857760, 63900648, 67263840, 71000720, 79875810, 85200864, 91286640, 106501080, 127801296, 142001440, 159751620, 182573280, 213002160, 255602592, 319503240, 426004320, 639006480, 1278012960]

約数ペア:

[(1, 1278012960), (2, 639006480), (3, 426004320), (4, 319503240), (5, 255602592), (6, 213002160), (7, 182573280), (8, 159751620), (9, 142001440), (10, 127801296), (12, 106501080), (14, 91286640), (15, 85200864), (16, 79875810), (18, 71000720), (19, 67263840), (20, 63900648), (21, 60857760), (24, 53250540), (28, 45643320), (30, 42600432), (32, 39937905), (35, 36514656), (36, 35500360), (38, 33631920), (40, 31950324), (42, 30428880), (45, 28400288), (48, 26625270), (56, 22821660), (57, 22421280), (60, 21300216), (63, 20285920), (70, 18257328), (72, 17750180), (76, 16815960), (80, 15975162), (84, 15214440), (90, 14200144), (95, 13452768), (96, 13312635), (105, 12171552), (112, 11410830), (114, 11210640), (120, 10650108), (126, 10142960), (133, 9609120), (140, 9128664), (144, 8875090), (152, 8407980), (160, 7987581), (168, 7607220), (171, 7473760), (180, 7100072), (190, 6726384), (210, 6085776), (224, 5705415), (228, 5605320), (240, 5325054), (252, 5071480), (266, 4804560), (280, 4564332), (285, 4484256), (288, 4437545), (304, 4203990), (315, 4057184), (336, 3803610), (342, 3736880), (360, 3550036), (380, 3363192), (399, 3203040), (420, 3042888), (456, 2802660), (480, 2662527), (504, 2535740), (532, 2402280), (560, 2282166), (570, 2242128), (608, 2101995), (630, 2028592), (665, 1921824), (672, 1901805), (684, 1868440), (720, 1775018), (760, 1681596), (798, 1601520), (840, 1521444), (855, 1494752), (912, 1401330), (1008, 1267870), (1064, 1201140), (1120, 1141083), (1140, 1121064), (1197, 1067680), (1260, 1014296), (1330, 960912), (1368, 934220), (1440, 887509), (1520, 840798), (1596, 800760), (1680, 760722), (1710, 747376), (1824, 700665), (1995, 640608), (2016, 633935), (2128, 600570), (2280, 560532), (2394, 533840), (2520, 507148), (2660, 480456), (2736, 467110), (3040, 420399), (3192, 400380), (3360, 380361), (3420, 373688), (3990, 320304), (4256, 300285), (4560, 280266), (4788, 266920), (5040, 253574), (5320, 240228), (5472, 233555), (5985, 213536), (6384, 200190), (6673, 191520), (6840, 186844), (7980, 160152), (9120, 140133), (9576, 133460), (10080, 126787), (10640, 120114), (11970, 106768), (12768, 100095), (13346, 95760), (13680, 93422), (15960, 80076), (19152, 66730), (20019, 63840), (21280, 60057), (23940, 53384), (26692, 47880), (27360, 46711), (31920, 40038), (33365, 38304)]