20189996160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{457201}}^1$

素因数の和:457246

約数の個数: 128

約数和(自身を含む): 67153829760

約数和(自身を除く): 46963833600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 1920, 2208, 2760, 2944, 3680, 4416, 5520, 7360, 8832, 11040, 14720, 22080, 44160, 457201, 914402, 1371603, 1828804, 2286005, 2743206, 3657608, 4572010, 5486412, 6858015, 7315216, 9144020, 10515623, 10972824, 13716030, 14630432, 18288040, 21031246, 21945648, 27432060, 29260864, 31546869, 36576080, 42062492, 43891296, 52578115, 54864120, 58521728, 63093738, 73152160, 84124984, 87782592, 105156230, 109728240, 126187476, 146304320, 157734345, 168249968, 175565184, 210312460, 219456480, 252374952, 292608640, 315468690, 336499936, 420624920, 438912960, 504749904, 630937380, 672999872, 841249840, 877825920, 1009499808, 1261874760, 1345999744, 1682499680, 2018999616, 2523749520, 3364999360, 4037999232, 5047499040, 6729998720, 10094998080, 20189996160]

約数ペア:

[(1, 20189996160), (2, 10094998080), (3, 6729998720), (4, 5047499040), (5, 4037999232), (6, 3364999360), (8, 2523749520), (10, 2018999616), (12, 1682499680), (15, 1345999744), (16, 1261874760), (20, 1009499808), (23, 877825920), (24, 841249840), (30, 672999872), (32, 630937380), (40, 504749904), (46, 438912960), (48, 420624920), (60, 336499936), (64, 315468690), (69, 292608640), (80, 252374952), (92, 219456480), (96, 210312460), (115, 175565184), (120, 168249968), (128, 157734345), (138, 146304320), (160, 126187476), (184, 109728240), (192, 105156230), (230, 87782592), (240, 84124984), (276, 73152160), (320, 63093738), (345, 58521728), (368, 54864120), (384, 52578115), (460, 43891296), (480, 42062492), (552, 36576080), (640, 31546869), (690, 29260864), (736, 27432060), (920, 21945648), (960, 21031246), (1104, 18288040), (1380, 14630432), (1472, 13716030), (1840, 10972824), (1920, 10515623), (2208, 9144020), (2760, 7315216), (2944, 6858015), (3680, 5486412), (4416, 4572010), (5520, 3657608), (7360, 2743206), (8832, 2286005), (11040, 1828804), (14720, 1371603), (22080, 914402), (44160, 457201)]