127085840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{991}}^1$

素因数の和:1240

約数の個数: 80

約数和(自身を含む): 339502080

約数和(自身を除く): 212416240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 229, 280, 458, 560, 916, 991, 1145, 1603, 1832, 1982, 2290, 3206, 3664, 3964, 4580, 4955, 6412, 6937, 7928, 8015, 9160, 9910, 12824, 13874, 15856, 16030, 18320, 19820, 25648, 27748, 32060, 34685, 39640, 55496, 64120, 69370, 79280, 110992, 128240, 138740, 226939, 277480, 453878, 554960, 907756, 1134695, 1588573, 1815512, 2269390, 3177146, 3631024, 4538780, 6354292, 7942865, 9077560, 12708584, 15885730, 18155120, 25417168, 31771460, 63542920, 127085840]

約数ペア:

[(1, 127085840), (2, 63542920), (4, 31771460), (5, 25417168), (7, 18155120), (8, 15885730), (10, 12708584), (14, 9077560), (16, 7942865), (20, 6354292), (28, 4538780), (35, 3631024), (40, 3177146), (56, 2269390), (70, 1815512), (80, 1588573), (112, 1134695), (140, 907756), (229, 554960), (280, 453878), (458, 277480), (560, 226939), (916, 138740), (991, 128240), (1145, 110992), (1603, 79280), (1832, 69370), (1982, 64120), (2290, 55496), (3206, 39640), (3664, 34685), (3964, 32060), (4580, 27748), (4955, 25648), (6412, 19820), (6937, 18320), (7928, 16030), (8015, 15856), (9160, 13874), (9910, 12824)]