161945080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:301

約数の個数: 128

約数和(自身を含む): 418037760

約数和(自身を除く): 256092680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 47, 55, 82, 88, 94, 110, 164, 188, 191, 205, 220, 235, 328, 376, 382, 410, 440, 451, 470, 517, 764, 820, 902, 940, 955, 1034, 1528, 1640, 1804, 1880, 1910, 1927, 2068, 2101, 2255, 2585, 3608, 3820, 3854, 4136, 4202, 4510, 5170, 7640, 7708, 7831, 8404, 8977, 9020, 9635, 10340, 10505, 15416, 15662, 16808, 17954, 18040, 19270, 20680, 21010, 21197, 31324, 35908, 38540, 39155, 42020, 42394, 44885, 62648, 71816, 77080, 78310, 84040, 84788, 86141, 89770, 98747, 105985, 156620, 169576, 172282, 179540, 197494, 211970, 313240, 344564, 359080, 368057, 394988, 423940, 430705, 493735, 689128, 736114, 789976, 847880, 861410, 987470, 1472228, 1722820, 1840285, 1974940, 2944456, 3445640, 3680570, 3949880, 4048627, 7361140, 8097254, 14722280, 16194508, 20243135, 32389016, 40486270, 80972540, 161945080]

約数ペア:

[(1, 161945080), (2, 80972540), (4, 40486270), (5, 32389016), (8, 20243135), (10, 16194508), (11, 14722280), (20, 8097254), (22, 7361140), (40, 4048627), (41, 3949880), (44, 3680570), (47, 3445640), (55, 2944456), (82, 1974940), (88, 1840285), (94, 1722820), (110, 1472228), (164, 987470), (188, 861410), (191, 847880), (205, 789976), (220, 736114), (235, 689128), (328, 493735), (376, 430705), (382, 423940), (410, 394988), (440, 368057), (451, 359080), (470, 344564), (517, 313240), (764, 211970), (820, 197494), (902, 179540), (940, 172282), (955, 169576), (1034, 156620), (1528, 105985), (1640, 98747), (1804, 89770), (1880, 86141), (1910, 84788), (1927, 84040), (2068, 78310), (2101, 77080), (2255, 71816), (2585, 62648), (3608, 44885), (3820, 42394), (3854, 42020), (4136, 39155), (4202, 38540), (4510, 35908), (5170, 31324), (7640, 21197), (7708, 21010), (7831, 20680), (8404, 19270), (8977, 18040), (9020, 17954), (9635, 16808), (10340, 15662), (10505, 15416)]