42731920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1029

約数の個数: 120

約数和(自身を含む): 126206208

約数和(自身を除く): 83474288

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 991, 1078, 1232, 1540, 1960, 1982, 2156, 2695, 3080, 3920, 3964, 4312, 4955, 5390, 6160, 6937, 7928, 8624, 9910, 10780, 10901, 13874, 15856, 19820, 21560, 21802, 27748, 34685, 39640, 43120, 43604, 48559, 54505, 55496, 69370, 76307, 79280, 87208, 97118, 109010, 110992, 138740, 152614, 174416, 194236, 218020, 242795, 277480, 305228, 381535, 388472, 436040, 485590, 534149, 554960, 610456, 763070, 776944, 872080, 971180, 1068298, 1220912, 1526140, 1942360, 2136596, 2670745, 3052280, 3884720, 4273192, 5341490, 6104560, 8546384, 10682980, 21365960, 42731920]

約数ペア:

[(1, 42731920), (2, 21365960), (4, 10682980), (5, 8546384), (7, 6104560), (8, 5341490), (10, 4273192), (11, 3884720), (14, 3052280), (16, 2670745), (20, 2136596), (22, 1942360), (28, 1526140), (35, 1220912), (40, 1068298), (44, 971180), (49, 872080), (55, 776944), (56, 763070), (70, 610456), (77, 554960), (80, 534149), (88, 485590), (98, 436040), (110, 388472), (112, 381535), (140, 305228), (154, 277480), (176, 242795), (196, 218020), (220, 194236), (245, 174416), (280, 152614), (308, 138740), (385, 110992), (392, 109010), (440, 97118), (490, 87208), (539, 79280), (560, 76307), (616, 69370), (770, 55496), (784, 54505), (880, 48559), (980, 43604), (991, 43120), (1078, 39640), (1232, 34685), (1540, 27748), (1960, 21802), (1982, 21560), (2156, 19820), (2695, 15856), (3080, 13874), (3920, 10901), (3964, 10780), (4312, 9910), (4955, 8624), (5390, 7928), (6160, 6937)]