1819720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 4798080

約数和(自身を除く): 2978360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 97, 134, 140, 194, 268, 280, 335, 388, 469, 485, 536, 670, 679, 776, 938, 970, 1340, 1358, 1876, 1940, 2345, 2680, 2716, 3395, 3752, 3880, 4690, 5432, 6499, 6790, 9380, 12998, 13580, 18760, 25996, 27160, 32495, 45493, 51992, 64990, 90986, 129980, 181972, 227465, 259960, 363944, 454930, 909860, 1819720]

約数ペア:

[(1, 1819720), (2, 909860), (4, 454930), (5, 363944), (7, 259960), (8, 227465), (10, 181972), (14, 129980), (20, 90986), (28, 64990), (35, 51992), (40, 45493), (56, 32495), (67, 27160), (70, 25996), (97, 18760), (134, 13580), (140, 12998), (194, 9380), (268, 6790), (280, 6499), (335, 5432), (388, 4690), (469, 3880), (485, 3752), (536, 3395), (670, 2716), (679, 2680), (776, 2345), (938, 1940), (970, 1876), (1340, 1358)]