281639808

素因数分解:

$2^7\times 3^3\times {\mathrm{227}}^1\times {\mathrm{359}}^1$

素因数の和:609

約数の個数: 128

約数和(自身を含む): 837216000

約数和(自身を除く): 555576192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 227, 288, 359, 384, 432, 454, 576, 681, 718, 864, 908, 1077, 1152, 1362, 1436, 1728, 1816, 2043, 2154, 2724, 2872, 3231, 3456, 3632, 4086, 4308, 5448, 5744, 6129, 6462, 7264, 8172, 8616, 9693, 10896, 11488, 12258, 12924, 14528, 16344, 17232, 19386, 21792, 22976, 24516, 25848, 29056, 32688, 34464, 38772, 43584, 45952, 49032, 51696, 65376, 68928, 77544, 81493, 87168, 98064, 103392, 130752, 137856, 155088, 162986, 196128, 206784, 244479, 261504, 310176, 325972, 392256, 413568, 488958, 620352, 651944, 733437, 784512, 977916, 1240704, 1303888, 1466874, 1955832, 2200311, 2607776, 2933748, 3911664, 4400622, 5215552, 5867496, 7823328, 8801244, 10431104, 11734992, 15646656, 17602488, 23469984, 31293312, 35204976, 46939968, 70409952, 93879936, 140819904, 281639808]

約数ペア:

[(1, 281639808), (2, 140819904), (3, 93879936), (4, 70409952), (6, 46939968), (8, 35204976), (9, 31293312), (12, 23469984), (16, 17602488), (18, 15646656), (24, 11734992), (27, 10431104), (32, 8801244), (36, 7823328), (48, 5867496), (54, 5215552), (64, 4400622), (72, 3911664), (96, 2933748), (108, 2607776), (128, 2200311), (144, 1955832), (192, 1466874), (216, 1303888), (227, 1240704), (288, 977916), (359, 784512), (384, 733437), (432, 651944), (454, 620352), (576, 488958), (681, 413568), (718, 392256), (864, 325972), (908, 310176), (1077, 261504), (1152, 244479), (1362, 206784), (1436, 196128), (1728, 162986), (1816, 155088), (2043, 137856), (2154, 130752), (2724, 103392), (2872, 98064), (3231, 87168), (3456, 81493), (3632, 77544), (4086, 68928), (4308, 65376), (5448, 51696), (5744, 49032), (6129, 45952), (6462, 43584), (7264, 38772), (8172, 34464), (8616, 32688), (9693, 29056), (10896, 25848), (11488, 24516), (12258, 22976), (12924, 21792), (14528, 19386), (16344, 17232)]