256989492816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20671613}}^1$

素因数の和:20671668

約数の個数: 80

約数和(自身を含む): 779237161344

約数和(自身を除く): 522247668528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 444, 518, 592, 777, 888, 1036, 1554, 1776, 2072, 3108, 4144, 6216, 12432, 20671613, 41343226, 62014839, 82686452, 124029678, 144701291, 165372904, 248059356, 289402582, 330745808, 434103873, 496118712, 578805164, 764849681, 868207746, 992237424, 1157610328, 1529699362, 1736415492, 2294549043, 2315220656, 3059398724, 3472830984, 4589098086, 5353947767, 6118797448, 6945661968, 9178196172, 10707895534, 12237594896, 16061843301, 18356392344, 21415791068, 32123686602, 36712784688, 42831582136, 64247373204, 85663164272, 128494746408, 256989492816]

約数ペア:

[(1, 256989492816), (2, 128494746408), (3, 85663164272), (4, 64247373204), (6, 42831582136), (7, 36712784688), (8, 32123686602), (12, 21415791068), (14, 18356392344), (16, 16061843301), (21, 12237594896), (24, 10707895534), (28, 9178196172), (37, 6945661968), (42, 6118797448), (48, 5353947767), (56, 4589098086), (74, 3472830984), (84, 3059398724), (111, 2315220656), (112, 2294549043), (148, 1736415492), (168, 1529699362), (222, 1157610328), (259, 992237424), (296, 868207746), (336, 764849681), (444, 578805164), (518, 496118712), (592, 434103873), (777, 330745808), (888, 289402582), (1036, 248059356), (1554, 165372904), (1776, 144701291), (2072, 124029678), (3108, 82686452), (4144, 62014839), (6216, 41343226), (12432, 20671613)]