278910216

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:437

約数の個数: 160

約数和(自身を含む): 851641560

約数和(自身を除く): 572731344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 113, 117, 156, 162, 216, 226, 234, 293, 312, 324, 339, 351, 452, 468, 586, 648, 678, 702, 879, 904, 936, 1017, 1053, 1172, 1356, 1404, 1469, 1758, 2034, 2106, 2344, 2637, 2712, 2808, 2938, 3051, 3516, 3809, 4068, 4212, 4407, 5274, 5876, 6102, 7032, 7618, 7911, 8136, 8424, 8814, 9153, 10548, 11427, 11752, 12204, 13221, 15236, 15822, 17628, 18306, 21096, 22854, 23733, 24408, 26442, 30472, 31644, 33109, 34281, 35256, 36612, 39663, 45708, 47466, 52884, 63288, 66218, 68562, 73224, 79326, 91416, 94932, 99327, 102843, 105768, 118989, 132436, 137124, 158652, 189864, 198654, 205686, 237978, 264872, 274248, 297981, 308529, 317304, 397308, 411372, 430417, 475956, 595962, 617058, 794616, 822744, 860834, 893943, 951912, 1191924, 1234116, 1291251, 1721668, 1787886, 2383848, 2468232, 2582502, 2681829, 3443336, 3575772, 3873753, 5165004, 5363658, 7151544, 7747506, 10330008, 10727316, 11621259, 15495012, 21454632, 23242518, 30990024, 34863777, 46485036, 69727554, 92970072, 139455108, 278910216]

約数ペア:

[(1, 278910216), (2, 139455108), (3, 92970072), (4, 69727554), (6, 46485036), (8, 34863777), (9, 30990024), (12, 23242518), (13, 21454632), (18, 15495012), (24, 11621259), (26, 10727316), (27, 10330008), (36, 7747506), (39, 7151544), (52, 5363658), (54, 5165004), (72, 3873753), (78, 3575772), (81, 3443336), (104, 2681829), (108, 2582502), (113, 2468232), (117, 2383848), (156, 1787886), (162, 1721668), (216, 1291251), (226, 1234116), (234, 1191924), (293, 951912), (312, 893943), (324, 860834), (339, 822744), (351, 794616), (452, 617058), (468, 595962), (586, 475956), (648, 430417), (678, 411372), (702, 397308), (879, 317304), (904, 308529), (936, 297981), (1017, 274248), (1053, 264872), (1172, 237978), (1356, 205686), (1404, 198654), (1469, 189864), (1758, 158652), (2034, 137124), (2106, 132436), (2344, 118989), (2637, 105768), (2712, 102843), (2808, 99327), (2938, 94932), (3051, 91416), (3516, 79326), (3809, 73224), (4068, 68562), (4212, 66218), (4407, 63288), (5274, 52884), (5876, 47466), (6102, 45708), (7032, 39663), (7618, 36612), (7911, 35256), (8136, 34281), (8424, 33109), (8814, 31644), (9153, 30472), (10548, 26442), (11427, 24408), (11752, 23733), (12204, 22854), (13221, 21096), (15236, 18306), (15822, 17628)]