879249280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:557

約数の個数: 256

約数和(自身を含む): 2675957760

約数和(自身を除く): 1796708480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 128, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 320, 364, 403, 416, 434, 448, 455, 487, 496, 520, 560, 620, 640, 728, 806, 832, 868, 896, 910, 974, 992, 1040, 1085, 1120, 1240, 1456, 1612, 1664, 1736, 1820, 1948, 1984, 2015, 2080, 2170, 2240, 2435, 2480, 2821, 2912, 3224, 3409, 3472, 3640, 3896, 3968, 4030, 4160, 4340, 4480, 4870, 4960, 5642, 5824, 6331, 6448, 6818, 6944, 7280, 7792, 8060, 8320, 8680, 9740, 9920, 11284, 11648, 12662, 12896, 13636, 13888, 14105, 14560, 15097, 15584, 16120, 17045, 17360, 19480, 19840, 22568, 25324, 25792, 27272, 27776, 28210, 29120, 30194, 31168, 31655, 32240, 34090, 34720, 38960, 44317, 45136, 50648, 51584, 54544, 56420, 58240, 60388, 62336, 63310, 64480, 68180, 69440, 75485, 77920, 88634, 90272, 101296, 105679, 109088, 112840, 120776, 126620, 128960, 136360, 138880, 150970, 155840, 177268, 180544, 196261, 202592, 211358, 218176, 221585, 225680, 241552, 253240, 257920, 272720, 301940, 311680, 354536, 361088, 392522, 405184, 422716, 436352, 443170, 451360, 483104, 506480, 528395, 545440, 603880, 709072, 785044, 810368, 845432, 886340, 902720, 966208, 981305, 1012960, 1056790, 1090880, 1207760, 1373827, 1418144, 1570088, 1690864, 1772680, 1805440, 1932416, 1962610, 2025920, 2113580, 2181760, 2415520, 2747654, 2836288, 3140176, 3381728, 3545360, 3925220, 4051840, 4227160, 4831040, 5495308, 5672576, 6280352, 6763456, 6869135, 7090720, 7850440, 8454320, 9662080, 10990616, 12560704, 13526912, 13738270, 14181440, 15700880, 16908640, 21981232, 25121408, 27476540, 28362880, 31401760, 33817280, 43962464, 54953080, 62803520, 67634560, 87924928, 109906160, 125607040, 175849856, 219812320, 439624640, 879249280]

約数ペア:

[(1, 879249280), (2, 439624640), (4, 219812320), (5, 175849856), (7, 125607040), (8, 109906160), (10, 87924928), (13, 67634560), (14, 62803520), (16, 54953080), (20, 43962464), (26, 33817280), (28, 31401760), (31, 28362880), (32, 27476540), (35, 25121408), (40, 21981232), (52, 16908640), (56, 15700880), (62, 14181440), (64, 13738270), (65, 13526912), (70, 12560704), (80, 10990616), (91, 9662080), (104, 8454320), (112, 7850440), (124, 7090720), (128, 6869135), (130, 6763456), (140, 6280352), (155, 5672576), (160, 5495308), (182, 4831040), (208, 4227160), (217, 4051840), (224, 3925220), (248, 3545360), (260, 3381728), (280, 3140176), (310, 2836288), (320, 2747654), (364, 2415520), (403, 2181760), (416, 2113580), (434, 2025920), (448, 1962610), (455, 1932416), (487, 1805440), (496, 1772680), (520, 1690864), (560, 1570088), (620, 1418144), (640, 1373827), (728, 1207760), (806, 1090880), (832, 1056790), (868, 1012960), (896, 981305), (910, 966208), (974, 902720), (992, 886340), (1040, 845432), (1085, 810368), (1120, 785044), (1240, 709072), (1456, 603880), (1612, 545440), (1664, 528395), (1736, 506480), (1820, 483104), (1948, 451360), (1984, 443170), (2015, 436352), (2080, 422716), (2170, 405184), (2240, 392522), (2435, 361088), (2480, 354536), (2821, 311680), (2912, 301940), (3224, 272720), (3409, 257920), (3472, 253240), (3640, 241552), (3896, 225680), (3968, 221585), (4030, 218176), (4160, 211358), (4340, 202592), (4480, 196261), (4870, 180544), (4960, 177268), (5642, 155840), (5824, 150970), (6331, 138880), (6448, 136360), (6818, 128960), (6944, 126620), (7280, 120776), (7792, 112840), (8060, 109088), (8320, 105679), (8680, 101296), (9740, 90272), (9920, 88634), (11284, 77920), (11648, 75485), (12662, 69440), (12896, 68180), (13636, 64480), (13888, 63310), (14105, 62336), (14560, 60388), (15097, 58240), (15584, 56420), (16120, 54544), (17045, 51584), (17360, 50648), (19480, 45136), (19840, 44317), (22568, 38960), (25324, 34720), (25792, 34090), (27272, 32240), (27776, 31655), (28210, 31168), (29120, 30194)]