128639808

素因数分解:

$2^6\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 168

約数和(自身を含む): 408919680

約数和(自身を除く): 280279872

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 79, 88, 96, 99, 132, 144, 158, 176, 192, 198, 237, 257, 264, 288, 316, 352, 396, 474, 514, 528, 576, 632, 704, 711, 771, 792, 869, 948, 1028, 1056, 1264, 1422, 1542, 1584, 1738, 1896, 2056, 2112, 2313, 2528, 2607, 2827, 2844, 3084, 3168, 3476, 3792, 4112, 4626, 5056, 5214, 5654, 5688, 6168, 6336, 6952, 7584, 7821, 8224, 8481, 9252, 10428, 11308, 11376, 12336, 13904, 15168, 15642, 16448, 16962, 18504, 20303, 20856, 22616, 22752, 24672, 25443, 27808, 31284, 33924, 37008, 40606, 41712, 45232, 45504, 49344, 50886, 55616, 60909, 62568, 67848, 74016, 81212, 83424, 90464, 101772, 121818, 125136, 135696, 148032, 162424, 166848, 180928, 182727, 203544, 223333, 243636, 250272, 271392, 324848, 365454, 407088, 446666, 487272, 500544, 542784, 649696, 669999, 730908, 814176, 893332, 974544, 1299392, 1339998, 1461816, 1628352, 1786664, 1949088, 2009997, 2679996, 2923632, 3573328, 3898176, 4019994, 5359992, 5847264, 7146656, 8039988, 10719984, 11694528, 14293312, 16079976, 21439968, 32159952, 42879936, 64319904, 128639808]

約数ペア:

[(1, 128639808), (2, 64319904), (3, 42879936), (4, 32159952), (6, 21439968), (8, 16079976), (9, 14293312), (11, 11694528), (12, 10719984), (16, 8039988), (18, 7146656), (22, 5847264), (24, 5359992), (32, 4019994), (33, 3898176), (36, 3573328), (44, 2923632), (48, 2679996), (64, 2009997), (66, 1949088), (72, 1786664), (79, 1628352), (88, 1461816), (96, 1339998), (99, 1299392), (132, 974544), (144, 893332), (158, 814176), (176, 730908), (192, 669999), (198, 649696), (237, 542784), (257, 500544), (264, 487272), (288, 446666), (316, 407088), (352, 365454), (396, 324848), (474, 271392), (514, 250272), (528, 243636), (576, 223333), (632, 203544), (704, 182727), (711, 180928), (771, 166848), (792, 162424), (869, 148032), (948, 135696), (1028, 125136), (1056, 121818), (1264, 101772), (1422, 90464), (1542, 83424), (1584, 81212), (1738, 74016), (1896, 67848), (2056, 62568), (2112, 60909), (2313, 55616), (2528, 50886), (2607, 49344), (2827, 45504), (2844, 45232), (3084, 41712), (3168, 40606), (3476, 37008), (3792, 33924), (4112, 31284), (4626, 27808), (5056, 25443), (5214, 24672), (5654, 22752), (5688, 22616), (6168, 20856), (6336, 20303), (6952, 18504), (7584, 16962), (7821, 16448), (8224, 15642), (8481, 15168), (9252, 13904), (10428, 12336), (11308, 11376)]