28806120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 288

約数和(自身を含む): 115240320

約数和(自身を除く): 86434200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 49, 56, 60, 63, 69, 70, 71, 72, 84, 90, 92, 98, 105, 115, 120, 126, 138, 140, 142, 147, 161, 168, 180, 184, 196, 207, 210, 213, 230, 245, 252, 276, 280, 284, 294, 315, 322, 345, 355, 360, 392, 414, 420, 426, 441, 460, 483, 490, 497, 504, 552, 568, 588, 630, 639, 644, 690, 710, 735, 805, 828, 840, 852, 882, 920, 966, 980, 994, 1035, 1065, 1127, 1176, 1260, 1278, 1288, 1380, 1420, 1449, 1470, 1491, 1610, 1633, 1656, 1704, 1764, 1932, 1960, 1988, 2070, 2130, 2205, 2254, 2415, 2485, 2520, 2556, 2760, 2840, 2898, 2940, 2982, 3195, 3220, 3266, 3381, 3479, 3528, 3864, 3976, 4140, 4260, 4410, 4473, 4508, 4830, 4899, 4970, 5112, 5635, 5796, 5880, 5964, 6390, 6440, 6532, 6762, 6958, 7245, 7455, 8165, 8280, 8520, 8820, 8946, 9016, 9660, 9798, 9940, 10143, 10437, 11270, 11431, 11592, 11928, 12780, 13064, 13524, 13916, 14490, 14697, 14910, 16330, 16905, 17395, 17640, 17892, 19320, 19596, 19880, 20286, 20874, 22365, 22540, 22862, 24495, 25560, 27048, 27832, 28980, 29394, 29820, 31311, 32660, 33810, 34293, 34790, 35784, 39192, 40572, 41748, 44730, 45080, 45724, 48990, 50715, 52185, 57155, 57960, 58788, 59640, 62622, 65320, 67620, 68586, 69580, 73485, 80017, 81144, 83496, 89460, 91448, 97980, 101430, 102879, 104370, 114310, 117576, 125244, 135240, 137172, 139160, 146970, 156555, 160034, 171465, 178920, 195960, 202860, 205758, 208740, 228620, 240051, 250488, 274344, 293940, 313110, 320068, 342930, 400085, 405720, 411516, 417480, 457240, 480102, 514395, 587880, 626220, 640136, 685860, 720153, 800170, 823032, 960204, 1028790, 1200255, 1252440, 1371720, 1440306, 1600340, 1920408, 2057580, 2400510, 2880612, 3200680, 3600765, 4115160, 4801020, 5761224, 7201530, 9602040, 14403060, 28806120]

約数ペア:

[(1, 28806120), (2, 14403060), (3, 9602040), (4, 7201530), (5, 5761224), (6, 4801020), (7, 4115160), (8, 3600765), (9, 3200680), (10, 2880612), (12, 2400510), (14, 2057580), (15, 1920408), (18, 1600340), (20, 1440306), (21, 1371720), (23, 1252440), (24, 1200255), (28, 1028790), (30, 960204), (35, 823032), (36, 800170), (40, 720153), (42, 685860), (45, 640136), (46, 626220), (49, 587880), (56, 514395), (60, 480102), (63, 457240), (69, 417480), (70, 411516), (71, 405720), (72, 400085), (84, 342930), (90, 320068), (92, 313110), (98, 293940), (105, 274344), (115, 250488), (120, 240051), (126, 228620), (138, 208740), (140, 205758), (142, 202860), (147, 195960), (161, 178920), (168, 171465), (180, 160034), (184, 156555), (196, 146970), (207, 139160), (210, 137172), (213, 135240), (230, 125244), (245, 117576), (252, 114310), (276, 104370), (280, 102879), (284, 101430), (294, 97980), (315, 91448), (322, 89460), (345, 83496), (355, 81144), (360, 80017), (392, 73485), (414, 69580), (420, 68586), (426, 67620), (441, 65320), (460, 62622), (483, 59640), (490, 58788), (497, 57960), (504, 57155), (552, 52185), (568, 50715), (588, 48990), (630, 45724), (639, 45080), (644, 44730), (690, 41748), (710, 40572), (735, 39192), (805, 35784), (828, 34790), (840, 34293), (852, 33810), (882, 32660), (920, 31311), (966, 29820), (980, 29394), (994, 28980), (1035, 27832), (1065, 27048), (1127, 25560), (1176, 24495), (1260, 22862), (1278, 22540), (1288, 22365), (1380, 20874), (1420, 20286), (1449, 19880), (1470, 19596), (1491, 19320), (1610, 17892), (1633, 17640), (1656, 17395), (1704, 16905), (1764, 16330), (1932, 14910), (1960, 14697), (1988, 14490), (2070, 13916), (2130, 13524), (2205, 13064), (2254, 12780), (2415, 11928), (2485, 11592), (2520, 11431), (2556, 11270), (2760, 10437), (2840, 10143), (2898, 9940), (2940, 9798), (2982, 9660), (3195, 9016), (3220, 8946), (3266, 8820), (3381, 8520), (3479, 8280), (3528, 8165), (3864, 7455), (3976, 7245), (4140, 6958), (4260, 6762), (4410, 6532), (4473, 6440), (4508, 6390), (4830, 5964), (4899, 5880), (4970, 5796), (5112, 5635)]