128708784

素因数分解:

$2^4\times 3^3\times {\mathrm{251}}^1\times {\mathrm{1187}}^1$

素因数の和:1455

約数の個数: 80

約数和(自身を含む): 371226240

約数和(自身を除く): 242517456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 251, 432, 502, 753, 1004, 1187, 1506, 2008, 2259, 2374, 3012, 3561, 4016, 4518, 4748, 6024, 6777, 7122, 9036, 9496, 10683, 12048, 13554, 14244, 18072, 18992, 21366, 27108, 28488, 32049, 36144, 42732, 54216, 56976, 64098, 85464, 108432, 128196, 170928, 256392, 297937, 512784, 595874, 893811, 1191748, 1787622, 2383496, 2681433, 3575244, 4766992, 5362866, 7150488, 8044299, 10725732, 14300976, 16088598, 21451464, 32177196, 42902928, 64354392, 128708784]

約数ペア:

[(1, 128708784), (2, 64354392), (3, 42902928), (4, 32177196), (6, 21451464), (8, 16088598), (9, 14300976), (12, 10725732), (16, 8044299), (18, 7150488), (24, 5362866), (27, 4766992), (36, 3575244), (48, 2681433), (54, 2383496), (72, 1787622), (108, 1191748), (144, 893811), (216, 595874), (251, 512784), (432, 297937), (502, 256392), (753, 170928), (1004, 128196), (1187, 108432), (1506, 85464), (2008, 64098), (2259, 56976), (2374, 54216), (3012, 42732), (3561, 36144), (4016, 32049), (4518, 28488), (4748, 27108), (6024, 21366), (6777, 18992), (7122, 18072), (9036, 14244), (9496, 13554), (10683, 12048)]