168707840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1038

約数の個数: 144

約数和(自身を含む): 486635520

約数和(自身を除く): 317927680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 991, 1064, 1120, 1216, 1280, 1330, 1520, 1792, 1982, 2128, 2240, 2432, 2660, 3040, 3964, 4256, 4480, 4864, 4955, 5320, 6080, 6937, 7928, 8512, 8960, 9910, 10640, 12160, 13874, 15856, 17024, 18829, 19820, 21280, 24320, 27748, 31712, 34048, 34685, 37658, 39640, 42560, 55496, 63424, 69370, 75316, 79280, 85120, 94145, 110992, 126848, 131803, 138740, 150632, 158560, 170240, 188290, 221984, 253696, 263606, 277480, 301264, 317120, 376580, 443968, 527212, 554960, 602528, 634240, 659015, 753160, 887936, 1054424, 1109920, 1205056, 1268480, 1318030, 1506320, 1775872, 2108848, 2219840, 2410112, 2636060, 3012640, 4217696, 4439680, 4820224, 5272120, 6025280, 8435392, 8879360, 10544240, 12050560, 16870784, 21088480, 24101120, 33741568, 42176960, 84353920, 168707840]

約数ペア:

[(1, 168707840), (2, 84353920), (4, 42176960), (5, 33741568), (7, 24101120), (8, 21088480), (10, 16870784), (14, 12050560), (16, 10544240), (19, 8879360), (20, 8435392), (28, 6025280), (32, 5272120), (35, 4820224), (38, 4439680), (40, 4217696), (56, 3012640), (64, 2636060), (70, 2410112), (76, 2219840), (80, 2108848), (95, 1775872), (112, 1506320), (128, 1318030), (133, 1268480), (140, 1205056), (152, 1109920), (160, 1054424), (190, 887936), (224, 753160), (256, 659015), (266, 634240), (280, 602528), (304, 554960), (320, 527212), (380, 443968), (448, 376580), (532, 317120), (560, 301264), (608, 277480), (640, 263606), (665, 253696), (760, 221984), (896, 188290), (991, 170240), (1064, 158560), (1120, 150632), (1216, 138740), (1280, 131803), (1330, 126848), (1520, 110992), (1792, 94145), (1982, 85120), (2128, 79280), (2240, 75316), (2432, 69370), (2660, 63424), (3040, 55496), (3964, 42560), (4256, 39640), (4480, 37658), (4864, 34685), (4955, 34048), (5320, 31712), (6080, 27748), (6937, 24320), (7928, 21280), (8512, 19820), (8960, 18829), (9910, 17024), (10640, 15856), (12160, 13874)]