157608640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1086

約数の個数: 112

約数和(自身を含む): 435400704

約数和(自身を除く): 277792064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 560, 568, 710, 991, 994, 1120, 1136, 1420, 1982, 1988, 2240, 2272, 2485, 2840, 3964, 3976, 4544, 4955, 4970, 5680, 6937, 7928, 7952, 9910, 9940, 11360, 13874, 15856, 15904, 19820, 19880, 22720, 27748, 31712, 31808, 34685, 39640, 39760, 55496, 63424, 69370, 70361, 79280, 79520, 110992, 138740, 140722, 158560, 159040, 221984, 277480, 281444, 317120, 351805, 443968, 492527, 554960, 562888, 703610, 985054, 1109920, 1125776, 1407220, 1970108, 2219840, 2251552, 2462635, 2814440, 3940216, 4503104, 4925270, 5628880, 7880432, 9850540, 11257760, 15760864, 19701080, 22515520, 31521728, 39402160, 78804320, 157608640]

約数ペア:

[(1, 157608640), (2, 78804320), (4, 39402160), (5, 31521728), (7, 22515520), (8, 19701080), (10, 15760864), (14, 11257760), (16, 9850540), (20, 7880432), (28, 5628880), (32, 4925270), (35, 4503104), (40, 3940216), (56, 2814440), (64, 2462635), (70, 2251552), (71, 2219840), (80, 1970108), (112, 1407220), (140, 1125776), (142, 1109920), (160, 985054), (224, 703610), (280, 562888), (284, 554960), (320, 492527), (355, 443968), (448, 351805), (497, 317120), (560, 281444), (568, 277480), (710, 221984), (991, 159040), (994, 158560), (1120, 140722), (1136, 138740), (1420, 110992), (1982, 79520), (1988, 79280), (2240, 70361), (2272, 69370), (2485, 63424), (2840, 55496), (3964, 39760), (3976, 39640), (4544, 34685), (4955, 31808), (4970, 31712), (5680, 27748), (6937, 22720), (7928, 19880), (7952, 19820), (9910, 15904), (9940, 15856), (11360, 13874)]