80255560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:467

約数の個数: 128

約数和(自身を含む): 228925440

約数和(自身を除く): 148669880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 140, 142, 154, 220, 280, 284, 308, 355, 367, 385, 440, 497, 568, 616, 710, 734, 770, 781, 994, 1420, 1468, 1540, 1562, 1835, 1988, 2485, 2569, 2840, 2936, 3080, 3124, 3670, 3905, 3976, 4037, 4970, 5138, 5467, 6248, 7340, 7810, 8074, 9940, 10276, 10934, 12845, 14680, 15620, 16148, 19880, 20185, 20552, 21868, 25690, 26057, 27335, 28259, 31240, 32296, 40370, 43736, 51380, 52114, 54670, 56518, 80740, 102760, 104228, 109340, 113036, 130285, 141295, 161480, 182399, 208456, 218680, 226072, 260570, 282590, 286627, 364798, 521140, 565180, 573254, 729596, 911995, 1042280, 1130360, 1146508, 1433135, 1459192, 1823990, 2006389, 2293016, 2866270, 3647980, 4012778, 5732540, 7295960, 8025556, 10031945, 11465080, 16051112, 20063890, 40127780, 80255560]

約数ペア:

[(1, 80255560), (2, 40127780), (4, 20063890), (5, 16051112), (7, 11465080), (8, 10031945), (10, 8025556), (11, 7295960), (14, 5732540), (20, 4012778), (22, 3647980), (28, 2866270), (35, 2293016), (40, 2006389), (44, 1823990), (55, 1459192), (56, 1433135), (70, 1146508), (71, 1130360), (77, 1042280), (88, 911995), (110, 729596), (140, 573254), (142, 565180), (154, 521140), (220, 364798), (280, 286627), (284, 282590), (308, 260570), (355, 226072), (367, 218680), (385, 208456), (440, 182399), (497, 161480), (568, 141295), (616, 130285), (710, 113036), (734, 109340), (770, 104228), (781, 102760), (994, 80740), (1420, 56518), (1468, 54670), (1540, 52114), (1562, 51380), (1835, 43736), (1988, 40370), (2485, 32296), (2569, 31240), (2840, 28259), (2936, 27335), (3080, 26057), (3124, 25690), (3670, 21868), (3905, 20552), (3976, 20185), (4037, 19880), (4970, 16148), (5138, 15620), (5467, 14680), (6248, 12845), (7340, 10934), (7810, 10276), (8074, 9940)]