80806880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{937}}^1$

素因数の和:977

約数の個数: 144

約数和(自身を含む): 242521776

約数和(自身を除く): 161714896

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 937, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1874, 1960, 2156, 2464, 2695, 3080, 3748, 3920, 4312, 4685, 5390, 6160, 6559, 7496, 7840, 8624, 9370, 10307, 10780, 12320, 13118, 14992, 17248, 18740, 20614, 21560, 26236, 29984, 32795, 37480, 41228, 43120, 45913, 51535, 52472, 65590, 72149, 74960, 82456, 86240, 91826, 103070, 104944, 131180, 144298, 149920, 164912, 183652, 206140, 209888, 229565, 262360, 288596, 329824, 360745, 367304, 412280, 459130, 505043, 524720, 577192, 721490, 734608, 824560, 918260, 1010086, 1049440, 1154384, 1442980, 1469216, 1649120, 1836520, 2020172, 2308768, 2525215, 2885960, 3673040, 4040344, 5050430, 5771920, 7346080, 8080688, 10100860, 11543840, 16161376, 20201720, 40403440, 80806880]

約数ペア:

[(1, 80806880), (2, 40403440), (4, 20201720), (5, 16161376), (7, 11543840), (8, 10100860), (10, 8080688), (11, 7346080), (14, 5771920), (16, 5050430), (20, 4040344), (22, 3673040), (28, 2885960), (32, 2525215), (35, 2308768), (40, 2020172), (44, 1836520), (49, 1649120), (55, 1469216), (56, 1442980), (70, 1154384), (77, 1049440), (80, 1010086), (88, 918260), (98, 824560), (110, 734608), (112, 721490), (140, 577192), (154, 524720), (160, 505043), (176, 459130), (196, 412280), (220, 367304), (224, 360745), (245, 329824), (280, 288596), (308, 262360), (352, 229565), (385, 209888), (392, 206140), (440, 183652), (490, 164912), (539, 149920), (560, 144298), (616, 131180), (770, 104944), (784, 103070), (880, 91826), (937, 86240), (980, 82456), (1078, 74960), (1120, 72149), (1232, 65590), (1540, 52472), (1568, 51535), (1760, 45913), (1874, 43120), (1960, 41228), (2156, 37480), (2464, 32795), (2695, 29984), (3080, 26236), (3748, 21560), (3920, 20614), (4312, 18740), (4685, 17248), (5390, 14992), (6160, 13118), (6559, 12320), (7496, 10780), (7840, 10307), (8624, 9370)]