128672640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:365

約数の個数: 192

約数和(自身を含む): 451105200

約数和(自身を除く): 322432560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 89, 90, 96, 120, 128, 144, 160, 178, 180, 192, 240, 251, 267, 288, 320, 356, 360, 384, 445, 480, 502, 534, 576, 640, 712, 720, 753, 801, 890, 960, 1004, 1068, 1152, 1255, 1335, 1424, 1440, 1506, 1602, 1780, 1920, 2008, 2136, 2259, 2510, 2670, 2848, 2880, 3012, 3204, 3560, 3765, 4005, 4016, 4272, 4518, 5020, 5340, 5696, 5760, 6024, 6408, 7120, 7530, 8010, 8032, 8544, 9036, 10040, 10680, 11295, 11392, 12048, 12816, 14240, 15060, 16020, 16064, 17088, 18072, 20080, 21360, 22339, 22590, 24096, 25632, 28480, 30120, 32040, 32128, 34176, 36144, 40160, 42720, 44678, 45180, 48192, 51264, 56960, 60240, 64080, 67017, 72288, 80320, 85440, 89356, 90360, 96384, 102528, 111695, 120480, 128160, 134034, 144576, 160640, 170880, 178712, 180720, 201051, 223390, 240960, 256320, 268068, 289152, 335085, 357424, 361440, 402102, 446780, 481920, 512640, 536136, 670170, 714848, 722880, 804204, 893560, 1005255, 1072272, 1340340, 1429696, 1445760, 1608408, 1787120, 2010510, 2144544, 2680680, 2859392, 3216816, 3574240, 4021020, 4289088, 5361360, 6433632, 7148480, 8042040, 8578176, 10722720, 12867264, 14296960, 16084080, 21445440, 25734528, 32168160, 42890880, 64336320, 128672640]

約数ペア:

[(1, 128672640), (2, 64336320), (3, 42890880), (4, 32168160), (5, 25734528), (6, 21445440), (8, 16084080), (9, 14296960), (10, 12867264), (12, 10722720), (15, 8578176), (16, 8042040), (18, 7148480), (20, 6433632), (24, 5361360), (30, 4289088), (32, 4021020), (36, 3574240), (40, 3216816), (45, 2859392), (48, 2680680), (60, 2144544), (64, 2010510), (72, 1787120), (80, 1608408), (89, 1445760), (90, 1429696), (96, 1340340), (120, 1072272), (128, 1005255), (144, 893560), (160, 804204), (178, 722880), (180, 714848), (192, 670170), (240, 536136), (251, 512640), (267, 481920), (288, 446780), (320, 402102), (356, 361440), (360, 357424), (384, 335085), (445, 289152), (480, 268068), (502, 256320), (534, 240960), (576, 223390), (640, 201051), (712, 180720), (720, 178712), (753, 170880), (801, 160640), (890, 144576), (960, 134034), (1004, 128160), (1068, 120480), (1152, 111695), (1255, 102528), (1335, 96384), (1424, 90360), (1440, 89356), (1506, 85440), (1602, 80320), (1780, 72288), (1920, 67017), (2008, 64080), (2136, 60240), (2259, 56960), (2510, 51264), (2670, 48192), (2848, 45180), (2880, 44678), (3012, 42720), (3204, 40160), (3560, 36144), (3765, 34176), (4005, 32128), (4016, 32040), (4272, 30120), (4518, 28480), (5020, 25632), (5340, 24096), (5696, 22590), (5760, 22339), (6024, 21360), (6408, 20080), (7120, 18072), (7530, 17088), (8010, 16064), (8032, 16020), (8544, 15060), (9036, 14240), (10040, 12816), (10680, 12048), (11295, 11392)]