257525664

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{461}}^1$

素因数の和:531

約数の個数: 144

約数和(自身を含む): 772589664

約数和(自身を除く): 515064000

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 32, 33, 44, 46, 48, 66, 69, 88, 92, 96, 132, 138, 176, 184, 253, 264, 276, 352, 368, 461, 506, 528, 529, 552, 736, 759, 922, 1012, 1056, 1058, 1104, 1383, 1518, 1587, 1844, 2024, 2116, 2208, 2766, 3036, 3174, 3688, 4048, 4232, 5071, 5532, 5819, 6072, 6348, 7376, 8096, 8464, 10142, 10603, 11064, 11638, 12144, 12696, 14752, 15213, 16928, 17457, 20284, 21206, 22128, 23276, 24288, 25392, 30426, 31809, 34914, 40568, 42412, 44256, 46552, 50784, 60852, 63618, 69828, 81136, 84824, 93104, 116633, 121704, 127236, 139656, 162272, 169648, 186208, 233266, 243408, 243869, 254472, 279312, 339296, 349899, 466532, 486816, 487738, 508944, 558624, 699798, 731607, 933064, 975476, 1017888, 1399596, 1463214, 1866128, 1950952, 2682559, 2799192, 2926428, 3732256, 3901904, 5365118, 5598384, 5852856, 7803808, 8047677, 10730236, 11196768, 11705712, 16095354, 21460472, 23411424, 32190708, 42920944, 64381416, 85841888, 128762832, 257525664]

約数ペア:

[(1, 257525664), (2, 128762832), (3, 85841888), (4, 64381416), (6, 42920944), (8, 32190708), (11, 23411424), (12, 21460472), (16, 16095354), (22, 11705712), (23, 11196768), (24, 10730236), (32, 8047677), (33, 7803808), (44, 5852856), (46, 5598384), (48, 5365118), (66, 3901904), (69, 3732256), (88, 2926428), (92, 2799192), (96, 2682559), (132, 1950952), (138, 1866128), (176, 1463214), (184, 1399596), (253, 1017888), (264, 975476), (276, 933064), (352, 731607), (368, 699798), (461, 558624), (506, 508944), (528, 487738), (529, 486816), (552, 466532), (736, 349899), (759, 339296), (922, 279312), (1012, 254472), (1056, 243869), (1058, 243408), (1104, 233266), (1383, 186208), (1518, 169648), (1587, 162272), (1844, 139656), (2024, 127236), (2116, 121704), (2208, 116633), (2766, 93104), (3036, 84824), (3174, 81136), (3688, 69828), (4048, 63618), (4232, 60852), (5071, 50784), (5532, 46552), (5819, 44256), (6072, 42412), (6348, 40568), (7376, 34914), (8096, 31809), (8464, 30426), (10142, 25392), (10603, 24288), (11064, 23276), (11638, 22128), (12144, 21206), (12696, 20284), (14752, 17457), (15213, 16928)]