260050280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 690094080

約数和(自身を除く): 430043800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 103, 127, 140, 142, 206, 254, 280, 284, 355, 412, 497, 508, 515, 568, 635, 710, 721, 824, 889, 994, 1016, 1030, 1270, 1420, 1442, 1778, 1988, 2060, 2485, 2540, 2840, 2884, 3556, 3605, 3976, 4120, 4445, 4970, 5080, 5768, 7112, 7210, 7313, 8890, 9017, 9940, 13081, 14420, 14626, 17780, 18034, 19880, 26162, 28840, 29252, 35560, 36068, 36565, 45085, 51191, 52324, 58504, 63119, 65405, 72136, 73130, 90170, 91567, 102382, 104648, 126238, 130810, 146260, 180340, 183134, 204764, 252476, 255955, 261620, 292520, 315595, 360680, 366268, 409528, 457835, 504952, 511910, 523240, 631190, 732536, 915670, 928751, 1023820, 1262380, 1831340, 1857502, 2047640, 2524760, 3662680, 3715004, 4643755, 6501257, 7430008, 9287510, 13002514, 18575020, 26005028, 32506285, 37150040, 52010056, 65012570, 130025140, 260050280]

約数ペア:

[(1, 260050280), (2, 130025140), (4, 65012570), (5, 52010056), (7, 37150040), (8, 32506285), (10, 26005028), (14, 18575020), (20, 13002514), (28, 9287510), (35, 7430008), (40, 6501257), (56, 4643755), (70, 3715004), (71, 3662680), (103, 2524760), (127, 2047640), (140, 1857502), (142, 1831340), (206, 1262380), (254, 1023820), (280, 928751), (284, 915670), (355, 732536), (412, 631190), (497, 523240), (508, 511910), (515, 504952), (568, 457835), (635, 409528), (710, 366268), (721, 360680), (824, 315595), (889, 292520), (994, 261620), (1016, 255955), (1030, 252476), (1270, 204764), (1420, 183134), (1442, 180340), (1778, 146260), (1988, 130810), (2060, 126238), (2485, 104648), (2540, 102382), (2840, 91567), (2884, 90170), (3556, 73130), (3605, 72136), (3976, 65405), (4120, 63119), (4445, 58504), (4970, 52324), (5080, 51191), (5768, 45085), (7112, 36565), (7210, 36068), (7313, 35560), (8890, 29252), (9017, 28840), (9940, 26162), (13081, 19880), (14420, 18034), (14626, 17780)]