81195840

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{233}}^1$

素因数の和:278

約数の個数: 252

約数和(自身を含む): 308294532

約数和(自身を除く): 227098692

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 121, 132, 144, 160, 165, 176, 180, 192, 198, 220, 233, 240, 242, 264, 288, 320, 330, 352, 360, 363, 396, 440, 466, 480, 484, 495, 528, 576, 605, 660, 699, 704, 720, 726, 792, 880, 932, 960, 968, 990, 1056, 1089, 1165, 1210, 1320, 1398, 1440, 1452, 1584, 1760, 1815, 1864, 1936, 1980, 2097, 2112, 2178, 2330, 2420, 2563, 2640, 2796, 2880, 2904, 3168, 3495, 3520, 3630, 3728, 3872, 3960, 4194, 4356, 4660, 4840, 5126, 5280, 5445, 5592, 5808, 6336, 6990, 7260, 7456, 7689, 7744, 7920, 8388, 8712, 9320, 9680, 10252, 10485, 10560, 10890, 11184, 11616, 12815, 13980, 14520, 14912, 15378, 15840, 16776, 17424, 18640, 19360, 20504, 20970, 21780, 22368, 23067, 23232, 25630, 27960, 28193, 29040, 30756, 31680, 33552, 34848, 37280, 38445, 38720, 41008, 41940, 43560, 44736, 46134, 51260, 55920, 56386, 58080, 61512, 67104, 69696, 74560, 76890, 82016, 83880, 84579, 87120, 92268, 102520, 111840, 112772, 115335, 116160, 123024, 134208, 140965, 153780, 164032, 167760, 169158, 174240, 184536, 205040, 223680, 225544, 230670, 246048, 253737, 281930, 307560, 335520, 338316, 348480, 369072, 410080, 422895, 451088, 461340, 492096, 507474, 563860, 615120, 671040, 676632, 738144, 820160, 845790, 902176, 922680, 1014948, 1127720, 1230240, 1268685, 1353264, 1476288, 1691580, 1804352, 1845360, 2029896, 2255440, 2460480, 2537370, 2706528, 3383160, 3690720, 4059792, 4510880, 5074740, 5413056, 6766320, 7381440, 8119584, 9021760, 10149480, 13532640, 16239168, 20298960, 27065280, 40597920, 81195840]

約数ペア:

[(1, 81195840), (2, 40597920), (3, 27065280), (4, 20298960), (5, 16239168), (6, 13532640), (8, 10149480), (9, 9021760), (10, 8119584), (11, 7381440), (12, 6766320), (15, 5413056), (16, 5074740), (18, 4510880), (20, 4059792), (22, 3690720), (24, 3383160), (30, 2706528), (32, 2537370), (33, 2460480), (36, 2255440), (40, 2029896), (44, 1845360), (45, 1804352), (48, 1691580), (55, 1476288), (60, 1353264), (64, 1268685), (66, 1230240), (72, 1127720), (80, 1014948), (88, 922680), (90, 902176), (96, 845790), (99, 820160), (110, 738144), (120, 676632), (121, 671040), (132, 615120), (144, 563860), (160, 507474), (165, 492096), (176, 461340), (180, 451088), (192, 422895), (198, 410080), (220, 369072), (233, 348480), (240, 338316), (242, 335520), (264, 307560), (288, 281930), (320, 253737), (330, 246048), (352, 230670), (360, 225544), (363, 223680), (396, 205040), (440, 184536), (466, 174240), (480, 169158), (484, 167760), (495, 164032), (528, 153780), (576, 140965), (605, 134208), (660, 123024), (699, 116160), (704, 115335), (720, 112772), (726, 111840), (792, 102520), (880, 92268), (932, 87120), (960, 84579), (968, 83880), (990, 82016), (1056, 76890), (1089, 74560), (1165, 69696), (1210, 67104), (1320, 61512), (1398, 58080), (1440, 56386), (1452, 55920), (1584, 51260), (1760, 46134), (1815, 44736), (1864, 43560), (1936, 41940), (1980, 41008), (2097, 38720), (2112, 38445), (2178, 37280), (2330, 34848), (2420, 33552), (2563, 31680), (2640, 30756), (2796, 29040), (2880, 28193), (2904, 27960), (3168, 25630), (3495, 23232), (3520, 23067), (3630, 22368), (3728, 21780), (3872, 20970), (3960, 20504), (4194, 19360), (4356, 18640), (4660, 17424), (4840, 16776), (5126, 15840), (5280, 15378), (5445, 14912), (5592, 14520), (5808, 13980), (6336, 12815), (6990, 11616), (7260, 11184), (7456, 10890), (7689, 10560), (7744, 10485), (7920, 10252), (8388, 9680), (8712, 9320)]