131343840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:681

約数の個数: 144

約数和(自身を含む): 451459008

約数和(自身を除く): 320115168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 197, 240, 288, 360, 394, 463, 480, 591, 720, 788, 926, 985, 1182, 1389, 1440, 1576, 1773, 1852, 1970, 2315, 2364, 2778, 2955, 3152, 3546, 3704, 3940, 4167, 4630, 4728, 5556, 5910, 6304, 6945, 7092, 7408, 7880, 8334, 8865, 9260, 9456, 11112, 11820, 13890, 14184, 14816, 15760, 16668, 17730, 18520, 18912, 20835, 22224, 23640, 27780, 28368, 31520, 33336, 35460, 37040, 41670, 44448, 47280, 55560, 56736, 66672, 70920, 74080, 83340, 91211, 94560, 111120, 133344, 141840, 166680, 182422, 222240, 273633, 283680, 333360, 364844, 456055, 547266, 666720, 729688, 820899, 912110, 1094532, 1368165, 1459376, 1641798, 1824220, 2189064, 2736330, 2918752, 3283596, 3648440, 4104495, 4378128, 5472660, 6567192, 7296880, 8208990, 8756256, 10945320, 13134384, 14593760, 16417980, 21890640, 26268768, 32835960, 43781280, 65671920, 131343840]

約数ペア:

[(1, 131343840), (2, 65671920), (3, 43781280), (4, 32835960), (5, 26268768), (6, 21890640), (8, 16417980), (9, 14593760), (10, 13134384), (12, 10945320), (15, 8756256), (16, 8208990), (18, 7296880), (20, 6567192), (24, 5472660), (30, 4378128), (32, 4104495), (36, 3648440), (40, 3283596), (45, 2918752), (48, 2736330), (60, 2189064), (72, 1824220), (80, 1641798), (90, 1459376), (96, 1368165), (120, 1094532), (144, 912110), (160, 820899), (180, 729688), (197, 666720), (240, 547266), (288, 456055), (360, 364844), (394, 333360), (463, 283680), (480, 273633), (591, 222240), (720, 182422), (788, 166680), (926, 141840), (985, 133344), (1182, 111120), (1389, 94560), (1440, 91211), (1576, 83340), (1773, 74080), (1852, 70920), (1970, 66672), (2315, 56736), (2364, 55560), (2778, 47280), (2955, 44448), (3152, 41670), (3546, 37040), (3704, 35460), (3940, 33336), (4167, 31520), (4630, 28368), (4728, 27780), (5556, 23640), (5910, 22224), (6304, 20835), (6945, 18912), (7092, 18520), (7408, 17730), (7880, 16668), (8334, 15760), (8865, 14816), (9260, 14184), (9456, 13890), (11112, 11820)]