131729280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 256

約数和(自身を含む): 464140800

約数和(自身を除く): 332411520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 32, 38, 40, 46, 48, 57, 60, 64, 69, 76, 80, 92, 95, 96, 114, 115, 120, 128, 138, 152, 157, 160, 184, 190, 192, 228, 230, 240, 276, 285, 304, 314, 320, 345, 368, 380, 384, 437, 456, 460, 471, 480, 552, 570, 608, 628, 640, 690, 736, 760, 785, 874, 912, 920, 942, 960, 1104, 1140, 1216, 1256, 1311, 1380, 1472, 1520, 1570, 1748, 1824, 1840, 1884, 1920, 2185, 2208, 2280, 2355, 2432, 2512, 2622, 2760, 2944, 2983, 3040, 3140, 3496, 3611, 3648, 3680, 3768, 4370, 4416, 4560, 4710, 5024, 5244, 5520, 5966, 6080, 6280, 6555, 6992, 7222, 7296, 7360, 7536, 8740, 8832, 8949, 9120, 9420, 10048, 10488, 10833, 11040, 11932, 12160, 12560, 13110, 13984, 14444, 14720, 14915, 15072, 17480, 17898, 18055, 18240, 18840, 20096, 20976, 21666, 22080, 23864, 25120, 26220, 27968, 28888, 29830, 30144, 34960, 35796, 36110, 36480, 37680, 41952, 43332, 44160, 44745, 47728, 50240, 52440, 54165, 55936, 57776, 59660, 60288, 68609, 69920, 71592, 72220, 75360, 83904, 86664, 89490, 95456, 100480, 104880, 108330, 115552, 119320, 137218, 139840, 143184, 144440, 150720, 167808, 173328, 178980, 190912, 205827, 209760, 216660, 231104, 238640, 274436, 279680, 286368, 288880, 301440, 343045, 346656, 357960, 381824, 411654, 419520, 433320, 462208, 477280, 548872, 572736, 577760, 686090, 693312, 715920, 823308, 839040, 866640, 954560, 1029135, 1097744, 1145472, 1155520, 1372180, 1386624, 1431840, 1646616, 1733280, 1909120, 2058270, 2195488, 2311040, 2744360, 2863680, 3293232, 3466560, 4116540, 4390976, 5488720, 5727360, 6586464, 6933120, 8233080, 8781952, 10977440, 13172928, 16466160, 21954880, 26345856, 32932320, 43909760, 65864640, 131729280]

約数ペア:

[(1, 131729280), (2, 65864640), (3, 43909760), (4, 32932320), (5, 26345856), (6, 21954880), (8, 16466160), (10, 13172928), (12, 10977440), (15, 8781952), (16, 8233080), (19, 6933120), (20, 6586464), (23, 5727360), (24, 5488720), (30, 4390976), (32, 4116540), (38, 3466560), (40, 3293232), (46, 2863680), (48, 2744360), (57, 2311040), (60, 2195488), (64, 2058270), (69, 1909120), (76, 1733280), (80, 1646616), (92, 1431840), (95, 1386624), (96, 1372180), (114, 1155520), (115, 1145472), (120, 1097744), (128, 1029135), (138, 954560), (152, 866640), (157, 839040), (160, 823308), (184, 715920), (190, 693312), (192, 686090), (228, 577760), (230, 572736), (240, 548872), (276, 477280), (285, 462208), (304, 433320), (314, 419520), (320, 411654), (345, 381824), (368, 357960), (380, 346656), (384, 343045), (437, 301440), (456, 288880), (460, 286368), (471, 279680), (480, 274436), (552, 238640), (570, 231104), (608, 216660), (628, 209760), (640, 205827), (690, 190912), (736, 178980), (760, 173328), (785, 167808), (874, 150720), (912, 144440), (920, 143184), (942, 139840), (960, 137218), (1104, 119320), (1140, 115552), (1216, 108330), (1256, 104880), (1311, 100480), (1380, 95456), (1472, 89490), (1520, 86664), (1570, 83904), (1748, 75360), (1824, 72220), (1840, 71592), (1884, 69920), (1920, 68609), (2185, 60288), (2208, 59660), (2280, 57776), (2355, 55936), (2432, 54165), (2512, 52440), (2622, 50240), (2760, 47728), (2944, 44745), (2983, 44160), (3040, 43332), (3140, 41952), (3496, 37680), (3611, 36480), (3648, 36110), (3680, 35796), (3768, 34960), (4370, 30144), (4416, 29830), (4560, 28888), (4710, 27968), (5024, 26220), (5244, 25120), (5520, 23864), (5966, 22080), (6080, 21666), (6280, 20976), (6555, 20096), (6992, 18840), (7222, 18240), (7296, 18055), (7360, 17898), (7536, 17480), (8740, 15072), (8832, 14915), (8949, 14720), (9120, 14444), (9420, 13984), (10048, 13110), (10488, 12560), (10833, 12160), (11040, 11932)]