256188672

素因数分解:

$2^8\times 3^2\times {\mathrm{251}}^1\times {\mathrm{443}}^1$

素因数の和:716

約数の個数: 108

約数和(自身を含む): 743271984

約数和(自身を除く): 487083312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 251, 256, 288, 384, 443, 502, 576, 753, 768, 886, 1004, 1152, 1329, 1506, 1772, 2008, 2259, 2304, 2658, 3012, 3544, 3987, 4016, 4518, 5316, 6024, 7088, 7974, 8032, 9036, 10632, 12048, 14176, 15948, 16064, 18072, 21264, 24096, 28352, 31896, 32128, 36144, 42528, 48192, 56704, 63792, 64256, 72288, 85056, 96384, 111193, 113408, 127584, 144576, 170112, 192768, 222386, 255168, 289152, 333579, 340224, 444772, 510336, 578304, 667158, 889544, 1000737, 1020672, 1334316, 1779088, 2001474, 2668632, 3558176, 4002948, 5337264, 7116352, 8005896, 10674528, 14232704, 16011792, 21349056, 28465408, 32023584, 42698112, 64047168, 85396224, 128094336, 256188672]

約数ペア:

[(1, 256188672), (2, 128094336), (3, 85396224), (4, 64047168), (6, 42698112), (8, 32023584), (9, 28465408), (12, 21349056), (16, 16011792), (18, 14232704), (24, 10674528), (32, 8005896), (36, 7116352), (48, 5337264), (64, 4002948), (72, 3558176), (96, 2668632), (128, 2001474), (144, 1779088), (192, 1334316), (251, 1020672), (256, 1000737), (288, 889544), (384, 667158), (443, 578304), (502, 510336), (576, 444772), (753, 340224), (768, 333579), (886, 289152), (1004, 255168), (1152, 222386), (1329, 192768), (1506, 170112), (1772, 144576), (2008, 127584), (2259, 113408), (2304, 111193), (2658, 96384), (3012, 85056), (3544, 72288), (3987, 64256), (4016, 63792), (4518, 56704), (5316, 48192), (6024, 42528), (7088, 36144), (7974, 32128), (8032, 31896), (9036, 28352), (10632, 24096), (12048, 21264), (14176, 18072), (15948, 16064)]