128280880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:363

約数の個数: 160

約数和(自身を含む): 373976064

約数和(自身を除く): 245695184

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 80, 91, 104, 112, 130, 134, 140, 182, 208, 260, 263, 268, 280, 335, 364, 455, 469, 520, 526, 536, 560, 670, 728, 871, 910, 938, 1040, 1052, 1072, 1315, 1340, 1456, 1742, 1820, 1841, 1876, 2104, 2345, 2630, 2680, 3419, 3484, 3640, 3682, 3752, 4208, 4355, 4690, 5260, 5360, 6097, 6838, 6968, 7280, 7364, 7504, 8710, 9205, 9380, 10520, 12194, 13676, 13936, 14728, 17095, 17420, 17621, 18410, 18760, 21040, 23933, 24388, 27352, 29456, 30485, 34190, 34840, 35242, 36820, 37520, 47866, 48776, 54704, 60970, 68380, 69680, 70484, 73640, 88105, 95732, 97552, 119665, 121940, 123347, 136760, 140968, 147280, 176210, 191464, 229073, 239330, 243880, 246694, 273520, 281936, 352420, 382928, 458146, 478660, 487760, 493388, 616735, 704840, 916292, 957320, 986776, 1145365, 1233470, 1409680, 1603511, 1832584, 1914640, 1973552, 2290730, 2466940, 3207022, 3665168, 4581460, 4933880, 6414044, 8017555, 9162920, 9867760, 12828088, 16035110, 18325840, 25656176, 32070220, 64140440, 128280880]

約数ペア:

[(1, 128280880), (2, 64140440), (4, 32070220), (5, 25656176), (7, 18325840), (8, 16035110), (10, 12828088), (13, 9867760), (14, 9162920), (16, 8017555), (20, 6414044), (26, 4933880), (28, 4581460), (35, 3665168), (40, 3207022), (52, 2466940), (56, 2290730), (65, 1973552), (67, 1914640), (70, 1832584), (80, 1603511), (91, 1409680), (104, 1233470), (112, 1145365), (130, 986776), (134, 957320), (140, 916292), (182, 704840), (208, 616735), (260, 493388), (263, 487760), (268, 478660), (280, 458146), (335, 382928), (364, 352420), (455, 281936), (469, 273520), (520, 246694), (526, 243880), (536, 239330), (560, 229073), (670, 191464), (728, 176210), (871, 147280), (910, 140968), (938, 136760), (1040, 123347), (1052, 121940), (1072, 119665), (1315, 97552), (1340, 95732), (1456, 88105), (1742, 73640), (1820, 70484), (1841, 69680), (1876, 68380), (2104, 60970), (2345, 54704), (2630, 48776), (2680, 47866), (3419, 37520), (3484, 36820), (3640, 35242), (3682, 34840), (3752, 34190), (4208, 30485), (4355, 29456), (4690, 27352), (5260, 24388), (5360, 23933), (6097, 21040), (6838, 18760), (6968, 18410), (7280, 17621), (7364, 17420), (7504, 17095), (8710, 14728), (9205, 13936), (9380, 13676), (10520, 12194)]