76860160

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 206035200

約数和(自身を除く): 129175040

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, 520, 596, 620, 640, 745, 806, 832, 992, 1040, 1192, 1240, 1280, 1490, 1612, 1664, 1937, 1984, 2015, 2080, 2384, 2480, 2980, 3224, 3328, 3874, 3968, 4030, 4160, 4619, 4768, 4960, 5960, 6448, 7748, 7936, 8060, 8320, 9238, 9536, 9685, 9920, 11920, 12896, 15496, 16120, 16640, 18476, 19072, 19370, 19840, 23095, 23840, 25792, 30992, 32240, 36952, 38144, 38740, 39680, 46190, 47680, 51584, 60047, 61984, 64480, 73904, 77480, 92380, 95360, 103168, 120094, 123968, 128960, 147808, 154960, 184760, 190720, 240188, 247936, 257920, 295616, 300235, 309920, 369520, 480376, 495872, 515840, 591232, 600470, 619840, 739040, 960752, 1182464, 1200940, 1239680, 1478080, 1921504, 2401880, 2479360, 2956160, 3843008, 4803760, 5912320, 7686016, 9607520, 15372032, 19215040, 38430080, 76860160]

約数ペア:

[(1, 76860160), (2, 38430080), (4, 19215040), (5, 15372032), (8, 9607520), (10, 7686016), (13, 5912320), (16, 4803760), (20, 3843008), (26, 2956160), (31, 2479360), (32, 2401880), (40, 1921504), (52, 1478080), (62, 1239680), (64, 1200940), (65, 1182464), (80, 960752), (104, 739040), (124, 619840), (128, 600470), (130, 591232), (149, 515840), (155, 495872), (160, 480376), (208, 369520), (248, 309920), (256, 300235), (260, 295616), (298, 257920), (310, 247936), (320, 240188), (403, 190720), (416, 184760), (496, 154960), (520, 147808), (596, 128960), (620, 123968), (640, 120094), (745, 103168), (806, 95360), (832, 92380), (992, 77480), (1040, 73904), (1192, 64480), (1240, 61984), (1280, 60047), (1490, 51584), (1612, 47680), (1664, 46190), (1937, 39680), (1984, 38740), (2015, 38144), (2080, 36952), (2384, 32240), (2480, 30992), (2980, 25792), (3224, 23840), (3328, 23095), (3874, 19840), (3968, 19370), (4030, 19072), (4160, 18476), (4619, 16640), (4768, 16120), (4960, 15496), (5960, 12896), (6448, 11920), (7748, 9920), (7936, 9685), (8060, 9536), (8320, 9238)]