778775256

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2269}}^1$

素因数の和:2518

約数の個数: 128

約数和(自身を含む): 2484288000

約数和(自身を除く): 1705512744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 227, 252, 378, 454, 504, 681, 756, 908, 1362, 1512, 1589, 1816, 2043, 2269, 2724, 3178, 4086, 4538, 4767, 5448, 6129, 6356, 6807, 8172, 9076, 9534, 12258, 12712, 13614, 14301, 15883, 16344, 18152, 19068, 20421, 24516, 27228, 28602, 31766, 38136, 40842, 42903, 47649, 49032, 54456, 57204, 61263, 63532, 81684, 85806, 95298, 114408, 122526, 127064, 142947, 163368, 171612, 190596, 245052, 285894, 343224, 381192, 428841, 490104, 515063, 571788, 857682, 1030126, 1143576, 1545189, 1715364, 2060252, 3090378, 3430728, 3605441, 4120504, 4635567, 6180756, 7210882, 9271134, 10816323, 12361512, 13906701, 14421764, 18542268, 21632646, 27813402, 28843528, 32448969, 37084536, 43265292, 55626804, 64897938, 86530584, 97346907, 111253608, 129795876, 194693814, 259591752, 389387628, 778775256]

約数ペア:

[(1, 778775256), (2, 389387628), (3, 259591752), (4, 194693814), (6, 129795876), (7, 111253608), (8, 97346907), (9, 86530584), (12, 64897938), (14, 55626804), (18, 43265292), (21, 37084536), (24, 32448969), (27, 28843528), (28, 27813402), (36, 21632646), (42, 18542268), (54, 14421764), (56, 13906701), (63, 12361512), (72, 10816323), (84, 9271134), (108, 7210882), (126, 6180756), (168, 4635567), (189, 4120504), (216, 3605441), (227, 3430728), (252, 3090378), (378, 2060252), (454, 1715364), (504, 1545189), (681, 1143576), (756, 1030126), (908, 857682), (1362, 571788), (1512, 515063), (1589, 490104), (1816, 428841), (2043, 381192), (2269, 343224), (2724, 285894), (3178, 245052), (4086, 190596), (4538, 171612), (4767, 163368), (5448, 142947), (6129, 127064), (6356, 122526), (6807, 114408), (8172, 95298), (9076, 85806), (9534, 81684), (12258, 63532), (12712, 61263), (13614, 57204), (14301, 54456), (15883, 49032), (16344, 47649), (18152, 42903), (19068, 40842), (20421, 38136), (24516, 31766), (27228, 28602)]