85781760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 278147520

約数和(自身を除く): 192365760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 128, 160, 178, 192, 240, 251, 256, 267, 320, 356, 384, 445, 480, 502, 534, 640, 712, 753, 768, 890, 960, 1004, 1068, 1255, 1280, 1335, 1424, 1506, 1780, 1920, 2008, 2136, 2510, 2670, 2848, 3012, 3560, 3765, 3840, 4016, 4272, 5020, 5340, 5696, 6024, 7120, 7530, 8032, 8544, 10040, 10680, 11392, 12048, 14240, 15060, 16064, 17088, 20080, 21360, 22339, 22784, 24096, 28480, 30120, 32128, 34176, 40160, 42720, 44678, 48192, 56960, 60240, 64256, 67017, 68352, 80320, 85440, 89356, 96384, 111695, 113920, 120480, 134034, 160640, 170880, 178712, 192768, 223390, 240960, 268068, 321280, 335085, 341760, 357424, 446780, 481920, 536136, 670170, 714848, 893560, 963840, 1072272, 1340340, 1429696, 1787120, 2144544, 2680680, 2859392, 3574240, 4289088, 5361360, 5718784, 7148480, 8578176, 10722720, 14296960, 17156352, 21445440, 28593920, 42890880, 85781760]

約数ペア:

[(1, 85781760), (2, 42890880), (3, 28593920), (4, 21445440), (5, 17156352), (6, 14296960), (8, 10722720), (10, 8578176), (12, 7148480), (15, 5718784), (16, 5361360), (20, 4289088), (24, 3574240), (30, 2859392), (32, 2680680), (40, 2144544), (48, 1787120), (60, 1429696), (64, 1340340), (80, 1072272), (89, 963840), (96, 893560), (120, 714848), (128, 670170), (160, 536136), (178, 481920), (192, 446780), (240, 357424), (251, 341760), (256, 335085), (267, 321280), (320, 268068), (356, 240960), (384, 223390), (445, 192768), (480, 178712), (502, 170880), (534, 160640), (640, 134034), (712, 120480), (753, 113920), (768, 111695), (890, 96384), (960, 89356), (1004, 85440), (1068, 80320), (1255, 68352), (1280, 67017), (1335, 64256), (1424, 60240), (1506, 56960), (1780, 48192), (1920, 44678), (2008, 42720), (2136, 40160), (2510, 34176), (2670, 32128), (2848, 30120), (3012, 28480), (3560, 24096), (3765, 22784), (3840, 22339), (4016, 21360), (4272, 20080), (5020, 17088), (5340, 16064), (5696, 15060), (6024, 14240), (7120, 12048), (7530, 11392), (8032, 10680), (8544, 10040)]