20116189440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3821}}^1$

素因数の和:4305

約数の個数: 216

約数和(自身を含む): 69770472408

約数和(自身を除く): 49654282968

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, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 457, 480, 576, 640, 720, 768, 914, 960, 1152, 1280, 1371, 1440, 1828, 1920, 2285, 2304, 2742, 2880, 3656, 3821, 3840, 4113, 4570, 5484, 5760, 6855, 7312, 7642, 8226, 9140, 10968, 11463, 11520, 13710, 14624, 15284, 16452, 18280, 19105, 20565, 21936, 22926, 27420, 29248, 30568, 32904, 34389, 36560, 38210, 41130, 43872, 45852, 54840, 57315, 58496, 61136, 65808, 68778, 73120, 76420, 82260, 87744, 91704, 109680, 114630, 116992, 122272, 131616, 137556, 146240, 152840, 164520, 171945, 175488, 183408, 219360, 229260, 244544, 263232, 275112, 292480, 305680, 329040, 343890, 350976, 366816, 438720, 458520, 489088, 526464, 550224, 584960, 611360, 658080, 687780, 733632, 877440, 917040, 978176, 1052928, 1100448, 1222720, 1316160, 1375560, 1467264, 1746197, 1754880, 1834080, 2200896, 2445440, 2632320, 2751120, 2934528, 3492394, 3668160, 4401792, 4890880, 5238591, 5264640, 5502240, 6984788, 7336320, 8730985, 8803584, 10477182, 11004480, 13969576, 14672640, 15715773, 17461970, 20954364, 22008960, 26192955, 27939152, 31431546, 34923940, 41908728, 44017920, 52385910, 55878304, 62863092, 69847880, 78578865, 83817456, 104771820, 111756608, 125726184, 139695760, 157157730, 167634912, 209543640, 223513216, 251452368, 279391520, 314315460, 335269824, 419087280, 447026432, 502904736, 558783040, 628630920, 670539648, 838174560, 1005809472, 1117566080, 1257261840, 1341079296, 1676349120, 2011618944, 2235132160, 2514523680, 3352698240, 4023237888, 5029047360, 6705396480, 10058094720, 20116189440]

約数ペア:

[(1, 20116189440), (2, 10058094720), (3, 6705396480), (4, 5029047360), (5, 4023237888), (6, 3352698240), (8, 2514523680), (9, 2235132160), (10, 2011618944), (12, 1676349120), (15, 1341079296), (16, 1257261840), (18, 1117566080), (20, 1005809472), (24, 838174560), (30, 670539648), (32, 628630920), (36, 558783040), (40, 502904736), (45, 447026432), (48, 419087280), (60, 335269824), (64, 314315460), (72, 279391520), (80, 251452368), (90, 223513216), (96, 209543640), (120, 167634912), (128, 157157730), (144, 139695760), (160, 125726184), (180, 111756608), (192, 104771820), (240, 83817456), (256, 78578865), (288, 69847880), (320, 62863092), (360, 55878304), (384, 52385910), (457, 44017920), (480, 41908728), (576, 34923940), (640, 31431546), (720, 27939152), (768, 26192955), (914, 22008960), (960, 20954364), (1152, 17461970), (1280, 15715773), (1371, 14672640), (1440, 13969576), (1828, 11004480), (1920, 10477182), (2285, 8803584), (2304, 8730985), (2742, 7336320), (2880, 6984788), (3656, 5502240), (3821, 5264640), (3840, 5238591), (4113, 4890880), (4570, 4401792), (5484, 3668160), (5760, 3492394), (6855, 2934528), (7312, 2751120), (7642, 2632320), (8226, 2445440), (9140, 2200896), (10968, 1834080), (11463, 1754880), (11520, 1746197), (13710, 1467264), (14624, 1375560), (15284, 1316160), (16452, 1222720), (18280, 1100448), (19105, 1052928), (20565, 978176), (21936, 917040), (22926, 877440), (27420, 733632), (29248, 687780), (30568, 658080), (32904, 611360), (34389, 584960), (36560, 550224), (38210, 526464), (41130, 489088), (43872, 458520), (45852, 438720), (54840, 366816), (57315, 350976), (58496, 343890), (61136, 329040), (65808, 305680), (68778, 292480), (73120, 275112), (76420, 263232), (82260, 244544), (87744, 229260), (91704, 219360), (109680, 183408), (114630, 175488), (116992, 171945), (122272, 164520), (131616, 152840), (137556, 146240)]