614881280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 192

約数和(自身を含む): 1651104000

約数和(自身を除く): 1036222720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 149, 155, 160, 208, 248, 256, 260, 298, 310, 320, 403, 416, 496, 512, 520, 596, 620, 640, 745, 806, 832, 992, 1024, 1040, 1192, 1240, 1280, 1490, 1612, 1664, 1937, 1984, 2015, 2048, 2080, 2384, 2480, 2560, 2980, 3224, 3328, 3874, 3968, 4030, 4160, 4619, 4768, 4960, 5120, 5960, 6448, 6656, 7748, 7936, 8060, 8320, 9238, 9536, 9685, 9920, 10240, 11920, 12896, 13312, 15496, 15872, 16120, 16640, 18476, 19072, 19370, 19840, 23095, 23840, 25792, 26624, 30992, 31744, 32240, 33280, 36952, 38144, 38740, 39680, 46190, 47680, 51584, 60047, 61984, 63488, 64480, 66560, 73904, 76288, 77480, 79360, 92380, 95360, 103168, 120094, 123968, 128960, 133120, 147808, 152576, 154960, 158720, 184760, 190720, 206336, 240188, 247936, 257920, 295616, 300235, 305152, 309920, 317440, 369520, 381440, 412672, 480376, 495872, 515840, 591232, 600470, 619840, 739040, 762880, 825344, 960752, 991744, 1031680, 1182464, 1200940, 1239680, 1478080, 1525760, 1921504, 1983488, 2063360, 2364928, 2401880, 2479360, 2956160, 3843008, 3966976, 4126720, 4729856, 4803760, 4958720, 5912320, 7686016, 9459712, 9607520, 9917440, 11824640, 15372032, 19215040, 19834880, 23649280, 30744064, 38430080, 47298560, 61488128, 76860160, 122976256, 153720320, 307440640, 614881280]

約数ペア:

[(1, 614881280), (2, 307440640), (4, 153720320), (5, 122976256), (8, 76860160), (10, 61488128), (13, 47298560), (16, 38430080), (20, 30744064), (26, 23649280), (31, 19834880), (32, 19215040), (40, 15372032), (52, 11824640), (62, 9917440), (64, 9607520), (65, 9459712), (80, 7686016), (104, 5912320), (124, 4958720), (128, 4803760), (130, 4729856), (149, 4126720), (155, 3966976), (160, 3843008), (208, 2956160), (248, 2479360), (256, 2401880), (260, 2364928), (298, 2063360), (310, 1983488), (320, 1921504), (403, 1525760), (416, 1478080), (496, 1239680), (512, 1200940), (520, 1182464), (596, 1031680), (620, 991744), (640, 960752), (745, 825344), (806, 762880), (832, 739040), (992, 619840), (1024, 600470), (1040, 591232), (1192, 515840), (1240, 495872), (1280, 480376), (1490, 412672), (1612, 381440), (1664, 369520), (1937, 317440), (1984, 309920), (2015, 305152), (2048, 300235), (2080, 295616), (2384, 257920), (2480, 247936), (2560, 240188), (2980, 206336), (3224, 190720), (3328, 184760), (3874, 158720), (3968, 154960), (4030, 152576), (4160, 147808), (4619, 133120), (4768, 128960), (4960, 123968), (5120, 120094), (5960, 103168), (6448, 95360), (6656, 92380), (7748, 79360), (7936, 77480), (8060, 76288), (8320, 73904), (9238, 66560), (9536, 64480), (9685, 63488), (9920, 61984), (10240, 60047), (11920, 51584), (12896, 47680), (13312, 46190), (15496, 39680), (15872, 38740), (16120, 38144), (16640, 36952), (18476, 33280), (19072, 32240), (19370, 31744), (19840, 30992), (23095, 26624), (23840, 25792)]