312449760

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 288

約数和(自身を含む): 1232824320

約数和(自身を除く): 920374560

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, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 139, 140, 144, 160, 168, 180, 210, 223, 224, 240, 252, 278, 280, 288, 315, 336, 360, 417, 420, 446, 480, 504, 556, 560, 630, 669, 672, 695, 720, 834, 840, 892, 973, 1008, 1112, 1115, 1120, 1251, 1260, 1338, 1390, 1440, 1561, 1668, 1680, 1784, 1946, 2007, 2016, 2085, 2224, 2230, 2502, 2520, 2676, 2780, 2919, 3122, 3336, 3345, 3360, 3568, 3892, 4014, 4170, 4448, 4460, 4683, 4865, 5004, 5040, 5352, 5560, 5838, 6244, 6255, 6672, 6690, 7136, 7784, 7805, 8028, 8340, 8757, 8920, 9366, 9730, 10008, 10035, 10080, 10704, 11120, 11676, 12488, 12510, 13344, 13380, 14049, 14595, 15568, 15610, 16056, 16680, 17514, 17840, 18732, 19460, 20016, 20070, 21408, 22240, 23352, 23415, 24976, 25020, 26760, 28098, 29190, 30997, 31136, 31220, 32112, 33360, 35028, 35680, 37464, 38920, 40032, 40140, 43785, 46704, 46830, 49952, 50040, 53520, 56196, 58380, 61994, 62440, 64224, 66720, 70056, 70245, 74928, 77840, 80280, 87570, 92991, 93408, 93660, 100080, 107040, 112392, 116760, 123988, 124880, 140112, 140490, 149856, 154985, 155680, 160560, 175140, 185982, 187320, 200160, 216979, 224784, 233520, 247976, 249760, 278973, 280224, 280980, 309970, 321120, 350280, 371964, 374640, 433958, 449568, 464955, 467040, 495952, 557946, 561960, 619940, 650937, 700560, 743928, 749280, 867916, 929910, 991904, 1084895, 1115892, 1123920, 1239880, 1301874, 1394865, 1401120, 1487856, 1735832, 1859820, 1952811, 2169790, 2231784, 2247840, 2479760, 2603748, 2789730, 2975712, 3254685, 3471664, 3719640, 3905622, 4339580, 4463568, 4959520, 5207496, 5579460, 6509370, 6943328, 7439280, 7811244, 8679160, 8927136, 9764055, 10414992, 11158920, 13018740, 14878560, 15622488, 17358320, 19528110, 20829984, 22317840, 26037480, 31244976, 34716640, 39056220, 44635680, 52074960, 62489952, 78112440, 104149920, 156224880, 312449760]

約数ペア:

[(1, 312449760), (2, 156224880), (3, 104149920), (4, 78112440), (5, 62489952), (6, 52074960), (7, 44635680), (8, 39056220), (9, 34716640), (10, 31244976), (12, 26037480), (14, 22317840), (15, 20829984), (16, 19528110), (18, 17358320), (20, 15622488), (21, 14878560), (24, 13018740), (28, 11158920), (30, 10414992), (32, 9764055), (35, 8927136), (36, 8679160), (40, 7811244), (42, 7439280), (45, 6943328), (48, 6509370), (56, 5579460), (60, 5207496), (63, 4959520), (70, 4463568), (72, 4339580), (80, 3905622), (84, 3719640), (90, 3471664), (96, 3254685), (105, 2975712), (112, 2789730), (120, 2603748), (126, 2479760), (139, 2247840), (140, 2231784), (144, 2169790), (160, 1952811), (168, 1859820), (180, 1735832), (210, 1487856), (223, 1401120), (224, 1394865), (240, 1301874), (252, 1239880), (278, 1123920), (280, 1115892), (288, 1084895), (315, 991904), (336, 929910), (360, 867916), (417, 749280), (420, 743928), (446, 700560), (480, 650937), (504, 619940), (556, 561960), (560, 557946), (630, 495952), (669, 467040), (672, 464955), (695, 449568), (720, 433958), (834, 374640), (840, 371964), (892, 350280), (973, 321120), (1008, 309970), (1112, 280980), (1115, 280224), (1120, 278973), (1251, 249760), (1260, 247976), (1338, 233520), (1390, 224784), (1440, 216979), (1561, 200160), (1668, 187320), (1680, 185982), (1784, 175140), (1946, 160560), (2007, 155680), (2016, 154985), (2085, 149856), (2224, 140490), (2230, 140112), (2502, 124880), (2520, 123988), (2676, 116760), (2780, 112392), (2919, 107040), (3122, 100080), (3336, 93660), (3345, 93408), (3360, 92991), (3568, 87570), (3892, 80280), (4014, 77840), (4170, 74928), (4448, 70245), (4460, 70056), (4683, 66720), (4865, 64224), (5004, 62440), (5040, 61994), (5352, 58380), (5560, 56196), (5838, 53520), (6244, 50040), (6255, 49952), (6672, 46830), (6690, 46704), (7136, 43785), (7784, 40140), (7805, 40032), (8028, 38920), (8340, 37464), (8757, 35680), (8920, 35028), (9366, 33360), (9730, 32112), (10008, 31220), (10035, 31136), (10080, 30997), (10704, 29190), (11120, 28098), (11676, 26760), (12488, 25020), (12510, 24976), (13344, 23415), (13380, 23352), (14049, 22240), (14595, 21408), (15568, 20070), (15610, 20016), (16056, 19460), (16680, 18732), (17514, 17840)]