278281728

素因数分解:

$2^9\times 3^2\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:616

約数の個数: 120

約数和(自身を含む): 811026216

約数和(自身を除く): 532744488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 131, 144, 192, 256, 262, 288, 384, 393, 461, 512, 524, 576, 768, 786, 922, 1048, 1152, 1179, 1383, 1536, 1572, 1844, 2096, 2304, 2358, 2766, 3144, 3688, 4149, 4192, 4608, 4716, 5532, 6288, 7376, 8298, 8384, 9432, 11064, 12576, 14752, 16596, 16768, 18864, 22128, 25152, 29504, 33192, 33536, 37728, 44256, 50304, 59008, 60391, 66384, 67072, 75456, 88512, 100608, 118016, 120782, 132768, 150912, 177024, 181173, 201216, 236032, 241564, 265536, 301824, 354048, 362346, 483128, 531072, 543519, 603648, 708096, 724692, 966256, 1062144, 1087038, 1449384, 1932512, 2124288, 2174076, 2898768, 3865024, 4348152, 5797536, 7730048, 8696304, 11595072, 15460096, 17392608, 23190144, 30920192, 34785216, 46380288, 69570432, 92760576, 139140864, 278281728]

約数ペア:

[(1, 278281728), (2, 139140864), (3, 92760576), (4, 69570432), (6, 46380288), (8, 34785216), (9, 30920192), (12, 23190144), (16, 17392608), (18, 15460096), (24, 11595072), (32, 8696304), (36, 7730048), (48, 5797536), (64, 4348152), (72, 3865024), (96, 2898768), (128, 2174076), (131, 2124288), (144, 1932512), (192, 1449384), (256, 1087038), (262, 1062144), (288, 966256), (384, 724692), (393, 708096), (461, 603648), (512, 543519), (524, 531072), (576, 483128), (768, 362346), (786, 354048), (922, 301824), (1048, 265536), (1152, 241564), (1179, 236032), (1383, 201216), (1536, 181173), (1572, 177024), (1844, 150912), (2096, 132768), (2304, 120782), (2358, 118016), (2766, 100608), (3144, 88512), (3688, 75456), (4149, 67072), (4192, 66384), (4608, 60391), (4716, 59008), (5532, 50304), (6288, 44256), (7376, 37728), (8298, 33536), (8384, 33192), (9432, 29504), (11064, 25152), (12576, 22128), (14752, 18864), (16596, 16768)]