128383920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{1213}}^1$

素因数の和:1249

約数の個数: 240

約数和(自身を含む): 514833120

約数和(自身を除く): 386449200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1213, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2352, 2426, 2520, 2646, 2940, 3024, 3528, 3639, 3780, 3920, 4410, 4852, 5040, 5292, 5880, 6065, 6615, 7056, 7278, 7560, 8491, 8820, 9704, 10584, 10917, 11760, 12130, 13230, 14556, 15120, 16982, 17640, 18195, 19408, 21168, 21834, 24260, 25473, 26460, 29112, 32751, 33964, 35280, 36390, 42455, 43668, 48520, 50946, 52920, 54585, 58224, 59437, 65502, 67928, 72780, 76419, 84910, 87336, 97040, 101892, 105840, 109170, 118874, 127365, 131004, 135856, 145560, 152838, 163755, 169820, 174672, 178311, 203784, 218340, 229257, 237748, 254730, 262008, 291120, 297185, 305676, 327510, 339640, 356622, 382095, 407568, 436680, 458514, 475496, 509460, 524016, 534933, 594370, 611352, 655020, 679280, 713244, 764190, 873360, 891555, 917028, 950992, 1018920, 1069866, 1146285, 1188740, 1222704, 1310040, 1426488, 1528380, 1604799, 1783110, 1834056, 2037840, 2139732, 2292570, 2377480, 2620080, 2674665, 2852976, 3056760, 3209598, 3566220, 3668112, 4279464, 4585140, 4754960, 5349330, 6113520, 6419196, 7132440, 8023995, 8558928, 9170280, 10698660, 12838392, 14264880, 16047990, 18340560, 21397320, 25676784, 32095980, 42794640, 64191960, 128383920]

約数ペア:

[(1, 128383920), (2, 64191960), (3, 42794640), (4, 32095980), (5, 25676784), (6, 21397320), (7, 18340560), (8, 16047990), (9, 14264880), (10, 12838392), (12, 10698660), (14, 9170280), (15, 8558928), (16, 8023995), (18, 7132440), (20, 6419196), (21, 6113520), (24, 5349330), (27, 4754960), (28, 4585140), (30, 4279464), (35, 3668112), (36, 3566220), (40, 3209598), (42, 3056760), (45, 2852976), (48, 2674665), (49, 2620080), (54, 2377480), (56, 2292570), (60, 2139732), (63, 2037840), (70, 1834056), (72, 1783110), (80, 1604799), (84, 1528380), (90, 1426488), (98, 1310040), (105, 1222704), (108, 1188740), (112, 1146285), (120, 1069866), (126, 1018920), (135, 950992), (140, 917028), (144, 891555), (147, 873360), (168, 764190), (180, 713244), (189, 679280), (196, 655020), (210, 611352), (216, 594370), (240, 534933), (245, 524016), (252, 509460), (270, 475496), (280, 458514), (294, 436680), (315, 407568), (336, 382095), (360, 356622), (378, 339640), (392, 327510), (420, 305676), (432, 297185), (441, 291120), (490, 262008), (504, 254730), (540, 237748), (560, 229257), (588, 218340), (630, 203784), (720, 178311), (735, 174672), (756, 169820), (784, 163755), (840, 152838), (882, 145560), (945, 135856), (980, 131004), (1008, 127365), (1080, 118874), (1176, 109170), (1213, 105840), (1260, 101892), (1323, 97040), (1470, 87336), (1512, 84910), (1680, 76419), (1764, 72780), (1890, 67928), (1960, 65502), (2160, 59437), (2205, 58224), (2352, 54585), (2426, 52920), (2520, 50946), (2646, 48520), (2940, 43668), (3024, 42455), (3528, 36390), (3639, 35280), (3780, 33964), (3920, 32751), (4410, 29112), (4852, 26460), (5040, 25473), (5292, 24260), (5880, 21834), (6065, 21168), (6615, 19408), (7056, 18195), (7278, 17640), (7560, 16982), (8491, 15120), (8820, 14556), (9704, 13230), (10584, 12130), (10917, 11760)]