260138560

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:572

約数の個数: 112

約数和(自身を含む): 680752512

約数和(自身を除く): 420613952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 263, 281, 320, 352, 440, 526, 562, 704, 880, 1052, 1124, 1315, 1405, 1760, 2104, 2248, 2630, 2810, 2893, 3091, 3520, 4208, 4496, 5260, 5620, 5786, 6182, 8416, 8992, 10520, 11240, 11572, 12364, 14465, 15455, 16832, 17984, 21040, 22480, 23144, 24728, 28930, 30910, 42080, 44960, 46288, 49456, 57860, 61820, 73903, 84160, 89920, 92576, 98912, 115720, 123640, 147806, 185152, 197824, 231440, 247280, 295612, 369515, 462880, 494560, 591224, 739030, 812933, 925760, 989120, 1182448, 1478060, 1625866, 2364896, 2956120, 3251732, 4064665, 4729792, 5912240, 6503464, 8129330, 11824480, 13006928, 16258660, 23648960, 26013856, 32517320, 52027712, 65034640, 130069280, 260138560]

約数ペア:

[(1, 260138560), (2, 130069280), (4, 65034640), (5, 52027712), (8, 32517320), (10, 26013856), (11, 23648960), (16, 16258660), (20, 13006928), (22, 11824480), (32, 8129330), (40, 6503464), (44, 5912240), (55, 4729792), (64, 4064665), (80, 3251732), (88, 2956120), (110, 2364896), (160, 1625866), (176, 1478060), (220, 1182448), (263, 989120), (281, 925760), (320, 812933), (352, 739030), (440, 591224), (526, 494560), (562, 462880), (704, 369515), (880, 295612), (1052, 247280), (1124, 231440), (1315, 197824), (1405, 185152), (1760, 147806), (2104, 123640), (2248, 115720), (2630, 98912), (2810, 92576), (2893, 89920), (3091, 84160), (3520, 73903), (4208, 61820), (4496, 57860), (5260, 49456), (5620, 46288), (5786, 44960), (6182, 42080), (8416, 30910), (8992, 28930), (10520, 24728), (11240, 23144), (11572, 22480), (12364, 21040), (14465, 17984), (15455, 16832)]