256689216

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{21221}}^1$

素因数の和:21249

約数の個数: 112

約数和(自身を含む): 862462080

約数和(自身を除く): 605772864

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 432, 448, 504, 576, 672, 756, 864, 1008, 1344, 1512, 1728, 2016, 3024, 4032, 6048, 12096, 21221, 42442, 63663, 84884, 127326, 148547, 169768, 190989, 254652, 297094, 339536, 381978, 445641, 509304, 572967, 594188, 679072, 763956, 891282, 1018608, 1145934, 1188376, 1336923, 1358144, 1527912, 1782564, 2037216, 2291868, 2376752, 2673846, 3055824, 3565128, 4010769, 4074432, 4583736, 4753504, 5347692, 6111648, 7130256, 8021538, 9167472, 9507008, 10695384, 12223296, 14260512, 16043076, 18334944, 21390768, 28521024, 32086152, 36669888, 42781536, 64172304, 85563072, 128344608, 256689216]

約数ペア:

[(1, 256689216), (2, 128344608), (3, 85563072), (4, 64172304), (6, 42781536), (7, 36669888), (8, 32086152), (9, 28521024), (12, 21390768), (14, 18334944), (16, 16043076), (18, 14260512), (21, 12223296), (24, 10695384), (27, 9507008), (28, 9167472), (32, 8021538), (36, 7130256), (42, 6111648), (48, 5347692), (54, 4753504), (56, 4583736), (63, 4074432), (64, 4010769), (72, 3565128), (84, 3055824), (96, 2673846), (108, 2376752), (112, 2291868), (126, 2037216), (144, 1782564), (168, 1527912), (189, 1358144), (192, 1336923), (216, 1188376), (224, 1145934), (252, 1018608), (288, 891282), (336, 763956), (378, 679072), (432, 594188), (448, 572967), (504, 509304), (576, 445641), (672, 381978), (756, 339536), (864, 297094), (1008, 254652), (1344, 190989), (1512, 169768), (1728, 148547), (2016, 127326), (3024, 84884), (4032, 63663), (6048, 42442), (12096, 21221)]