12738040

素因数分解:

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

素因数の和:189

約数の個数: 96

約数和(自身を含む): 34186320

約数和(自身を除く): 21448280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 67, 70, 97, 98, 134, 140, 194, 196, 245, 268, 280, 335, 388, 392, 469, 485, 490, 536, 670, 679, 776, 938, 970, 980, 1340, 1358, 1876, 1940, 1960, 2345, 2680, 2716, 3283, 3395, 3752, 3880, 4690, 4753, 5432, 6499, 6566, 6790, 9380, 9506, 12998, 13132, 13580, 16415, 18760, 19012, 23765, 25996, 26264, 27160, 32495, 32830, 38024, 45493, 47530, 51992, 64990, 65660, 90986, 95060, 129980, 131320, 181972, 190120, 227465, 259960, 318451, 363944, 454930, 636902, 909860, 1273804, 1592255, 1819720, 2547608, 3184510, 6369020, 12738040]

約数ペア:

[(1, 12738040), (2, 6369020), (4, 3184510), (5, 2547608), (7, 1819720), (8, 1592255), (10, 1273804), (14, 909860), (20, 636902), (28, 454930), (35, 363944), (40, 318451), (49, 259960), (56, 227465), (67, 190120), (70, 181972), (97, 131320), (98, 129980), (134, 95060), (140, 90986), (194, 65660), (196, 64990), (245, 51992), (268, 47530), (280, 45493), (335, 38024), (388, 32830), (392, 32495), (469, 27160), (485, 26264), (490, 25996), (536, 23765), (670, 19012), (679, 18760), (776, 16415), (938, 13580), (970, 13132), (980, 12998), (1340, 9506), (1358, 9380), (1876, 6790), (1940, 6566), (1960, 6499), (2345, 5432), (2680, 4753), (2716, 4690), (3283, 3880), (3395, 3752)]