261554688

素因数分解:

$2^9\times 3^2\times {\mathrm{31}}^1\times {\mathrm{1831}}^1$

素因数の和:1886

約数の個数: 120

約数和(自身を含む): 779640576

約数和(自身を除く): 518085888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 512, 558, 576, 744, 768, 992, 1116, 1152, 1488, 1536, 1831, 1984, 2232, 2304, 2976, 3662, 3968, 4464, 4608, 5493, 5952, 7324, 7936, 8928, 10986, 11904, 14648, 15872, 16479, 17856, 21972, 23808, 29296, 32958, 35712, 43944, 47616, 56761, 58592, 65916, 71424, 87888, 113522, 117184, 131832, 142848, 170283, 175776, 227044, 234368, 263664, 340566, 351552, 454088, 468736, 510849, 527328, 681132, 703104, 908176, 937472, 1021698, 1054656, 1362264, 1406208, 1816352, 2043396, 2109312, 2724528, 2812416, 3632704, 4086792, 4218624, 5449056, 7265408, 8173584, 8437248, 10898112, 14530816, 16347168, 21796224, 29061632, 32694336, 43592448, 65388672, 87184896, 130777344, 261554688]

約数ペア:

[(1, 261554688), (2, 130777344), (3, 87184896), (4, 65388672), (6, 43592448), (8, 32694336), (9, 29061632), (12, 21796224), (16, 16347168), (18, 14530816), (24, 10898112), (31, 8437248), (32, 8173584), (36, 7265408), (48, 5449056), (62, 4218624), (64, 4086792), (72, 3632704), (93, 2812416), (96, 2724528), (124, 2109312), (128, 2043396), (144, 1816352), (186, 1406208), (192, 1362264), (248, 1054656), (256, 1021698), (279, 937472), (288, 908176), (372, 703104), (384, 681132), (496, 527328), (512, 510849), (558, 468736), (576, 454088), (744, 351552), (768, 340566), (992, 263664), (1116, 234368), (1152, 227044), (1488, 175776), (1536, 170283), (1831, 142848), (1984, 131832), (2232, 117184), (2304, 113522), (2976, 87888), (3662, 71424), (3968, 65916), (4464, 58592), (4608, 56761), (5493, 47616), (5952, 43944), (7324, 35712), (7936, 32958), (8928, 29296), (10986, 23808), (11904, 21972), (14648, 17856), (15872, 16479)]