42578256

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:489

約数の個数: 120

約数和(自身を含む): 131238624

約数和(自身を除く): 88660368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 49, 56, 84, 86, 98, 112, 129, 147, 168, 172, 196, 258, 294, 301, 336, 344, 392, 421, 516, 588, 602, 688, 784, 842, 903, 1032, 1176, 1204, 1263, 1684, 1806, 2064, 2107, 2352, 2408, 2526, 2947, 3368, 3612, 4214, 4816, 5052, 5894, 6321, 6736, 7224, 8428, 8841, 10104, 11788, 12642, 14448, 16856, 17682, 18103, 20208, 20629, 23576, 25284, 33712, 35364, 36206, 41258, 47152, 50568, 54309, 61887, 70728, 72412, 82516, 101136, 108618, 123774, 126721, 141456, 144824, 165032, 217236, 247548, 253442, 289648, 330064, 380163, 434472, 495096, 506884, 760326, 868944, 887047, 990192, 1013768, 1520652, 1774094, 2027536, 2661141, 3041304, 3548188, 5322282, 6082608, 7096376, 10644564, 14192752, 21289128, 42578256]

約数ペア:

[(1, 42578256), (2, 21289128), (3, 14192752), (4, 10644564), (6, 7096376), (7, 6082608), (8, 5322282), (12, 3548188), (14, 3041304), (16, 2661141), (21, 2027536), (24, 1774094), (28, 1520652), (42, 1013768), (43, 990192), (48, 887047), (49, 868944), (56, 760326), (84, 506884), (86, 495096), (98, 434472), (112, 380163), (129, 330064), (147, 289648), (168, 253442), (172, 247548), (196, 217236), (258, 165032), (294, 144824), (301, 141456), (336, 126721), (344, 123774), (392, 108618), (421, 101136), (516, 82516), (588, 72412), (602, 70728), (688, 61887), (784, 54309), (842, 50568), (903, 47152), (1032, 41258), (1176, 36206), (1204, 35364), (1263, 33712), (1684, 25284), (1806, 23576), (2064, 20629), (2107, 20208), (2352, 18103), (2408, 17682), (2526, 16856), (2947, 14448), (3368, 12642), (3612, 11788), (4214, 10104), (4816, 8841), (5052, 8428), (5894, 7224), (6321, 6736)]