77882440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2161}}^1$

素因数の和:2242

約数の個数: 64

約数和(自身を含む): 189131760

約数和(自身を除く): 111249320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1802, 2120, 2161, 3604, 4322, 4505, 7208, 8644, 9010, 10805, 17288, 18020, 21610, 36040, 36737, 43220, 73474, 86440, 114533, 146948, 183685, 229066, 293896, 367370, 458132, 572665, 734740, 916264, 1145330, 1469480, 1947061, 2290660, 3894122, 4581320, 7788244, 9735305, 15576488, 19470610, 38941220, 77882440]

約数ペア:

[(1, 77882440), (2, 38941220), (4, 19470610), (5, 15576488), (8, 9735305), (10, 7788244), (17, 4581320), (20, 3894122), (34, 2290660), (40, 1947061), (53, 1469480), (68, 1145330), (85, 916264), (106, 734740), (136, 572665), (170, 458132), (212, 367370), (265, 293896), (340, 229066), (424, 183685), (530, 146948), (680, 114533), (901, 86440), (1060, 73474), (1802, 43220), (2120, 36737), (2161, 36040), (3604, 21610), (4322, 18020), (4505, 17288), (7208, 10805), (8644, 9010)]